281. Bibliography on flame spectroscopy analytical applications 1800–1966, R. Mavrodineanu. February 23, 1967. $2.00.

282. The National Bureau of Standards 1966. November 1966. 35 cents.

283. Technical highlights of the National Bureau of Standards, Annual Report 1966. April 1967. 60 cents.

284. Technology and world trade, proceedings of a symposium, Edited by R. L. Stern. 1967. $1.25.

285. Nuclear science and technology for ceramists. Proceedings of the American Ceramic Society Symposium, Washington, D.C., April 7–12, 1966. May 26, 1967. $1.75.

286. Units of weight and measure. International (metric) and U.S. Customary, L. J. Chisholm. May 1967. (Supersedes Miscellaneous Publ. 233) $1.50. 289. Bibliography of low energy electron collision cross section data, L. J. Kieffer. March 10, 1967. 50 cents.

290. Report of the 51st National Conference on Weights and Measures 1966, L. J. Chisholm. May 15, 1967. $1.00.

National Standard Reference Data Series. NSRDS provides quantitative data on the physical and chemical properties of materials, compiled from the world's literature and critically evaluated. Reports will fall into eight categories: general; nuclear properties; atomic and molecular properties; solid state properties; thermodynamic and transport properties; chemical kinetics; colloid and surface properties; and mechanical properties of materials.

5. The band spectrum of carbon monoxide, P. H. Krupenie, July 8, 1966, 70 cents. 6. Tables of molecular vibrational frequencies, Part 1. T. Shimanouchi. March 1, 1967. 40 cents.

7. High temperature properties and decomposition of inorganic salts, Part 1. Sulfates, K. H. Stern and E. L. Weise. October 1, 1966. 35 cents.

8. Thermal conductivity of selected materials, R. W. Powell, C. Y. Ho, and P. E. Liley. November 25, 1966. $1.00.

Building Science Series. Research results, test methods, and performance criteria of building materials, components, systems, and structures.

5. Interrelations between cement and concrete properties. Part 2. Sulfate expan sion, heat of hydration, and autoclave expansion, Section 4. Variables associated with expansion in the potential sulfate expansion test, R. L. Blain, H. T. Arni, and D. N. Evans; Section 5. Heat of hydration of portland cements, R. L. Blaine and H. T. Arni; and Section 6. Variables associated with small autoclave expansion values of portland cements, R. L. Blaine and H. T. Arni, July 1, 1966. 35 cents.

Commercial Standards. Define quality levels for products in accordance with the principal needs of the trade. Their use is voluntary.

259-63. (As amended Feb. 1, 1966). Southern pine plywood. February 1, 1966.

15 cents.

270-65. Acrilonitrile-butadiene-styrene (ABS) plastic drain, waste, and vent pipe and fittings. April 1, 1965. 15 cents.

271-65. Polyvinyl chloride (PVC) plastic drain, waste, and vent pipe and fittings. April 1, 1965. 15 cents.

272-65. Polyvinyl chloride (PVC) plastic drain, waste, and vent pipe and fittings. April 1, 1965. 15 cents.

LIB.

273–65. Expanded vinyl fabrics for furniture upholstery use. December 31, 1965. 10 cents.

Simplified Practice Remommendations. List staple sizes, kinds, types, and applicable methods for certain commodies produced and stocked in greatest quantity, to aid in holding variety to a minimum. Their use is voluntary.

174–65. Cast-iron radiators. December 31, 1965. (Supersedes R1741-47) 10 cents.

Product Standards. Provide requirements for sizes, types, quality and methods for testing various industrial products. These standards are developed cooperatively with interested Government and industry groups and provide the basis for common understanding of product characteristics for both buyers and sellers. Their use is voluntary. (Replaces the Commercial Standard Series and Simplified Practice Recommendations.)

1-66. Softwood plywood, construction and industrial. November 1, 1966. (Supersedes CS45-60, CS122-60, and CS259–63) 20 cents.

2-66. Standard sizes of blackboard slate. May 15, 1966. (Supersedes R15–35) 10 cents.

3–66. TFE-fluorocarbon (polytetrafluoroethylene) resin skived tape. September 1,
1966. 10 cents.

4-66. Standard stock light-duty 1%- and 14-inch thick flush-type interior steel
doors and frames. November 1, 1966. (Supersedes CS211-57) 10 cents.
5-66. Porcelain enameled formed steel plumbing fixtures. November 1, 1966
(Supersedes CS144-47) 15 cents.

6-66. Trim for water-closet bowls, tanks and urinals (dimensional standards).
November 1, 1966. (Supersedes CS172-50) 10 cents.

7-66. Wire bar supports for reinforced concrete construction. August 1, 1966. 10 cents.

8-67. Grading of abrasive grain on coated abrasive products. January 9, 1967. (Supersedes CS217-59) 15 cents.

Technical Note Series. This series was initiated in 1959 to supplement the Bureau's regular publications program. Technical Notes provide a means for making available scientific data that are of transient or limited interest.

277. Analytical Mass Spectrometry Section: Instrumentation and procedures for isotopic analysis, W. R. Shields. July 25, 1966. 60 cents.

278. Scanning electron probe microanalysis, K. F. J. Heinrich. February 3, 1967. 30 cents.

290. Information handling in the National Standard Reference Data System, F. L. Alt. July 1, 1966. 25 cents.

292. Procedures for precise determination of thermal radiation properties. November 1964 to Otcober 1965, J. C. Richmond, G. J. Kneissl, D. L. Kelley, and F. J. Kelly, February 10, 1967. 50 cents.

293. Research on crystal growth and characterization at the National Bureau of Standards June 1966, H. C. Allen, Jr. August 26, 1966. 25 cents.

294. Notes on the state-of-the art of benefit-cost analysis as related to transportation systems, J. D. Crumlish. November 1, 1966. 30 cents.

295. Disclosures on: a transrotor engine, high temperature platinum resistance thermometer, dynamic analog correlation system, and combination metering and safety valve for filling sonde ballons with hydrogen, Editors D. Robbins and A. J. Englert. October 21, 1966. 25 cents.

ies

296. A grammar for component combination in Chinese characters, B. K. Rankin, III, S. Siegel, A. McClelland, and J. L. Tan. December 1966. 60 cents. 298. A survey of ionization vacuum gages and their performance characteristics, W. G. Brombacher. February 3, 1967. 40 cents.

299. Calculation of the heating value of a sample of high purity methane for use as a reference material, G. T. Armstrong. December 15, 1966. 25 cents. 343. Temperature-entropy diagram for parahydrogen triple-point region, C. F. Sindt and D. B. Mann. June 22, 1966. 15 cents.

344. A sensitive recording NMR ultrasonic spectrometer, L. W. James. September 7, 1966. 20 cents.

345. A new near-zone electric field-strength meter, F. M. Greene. November 15, 1966. 35 cents.

346. On the natural shift of a resonance frequency, R. J. Harrach. September 29, 1966. 25 cents.

347. A standard for accurate phase-angle measurements at audio frequencies, W. W. Scott, Jr. October 14, 1966. 25 cents.

348. Infrared reflectances of metals at cryogenic temperatures a compilation from the literature, P. F. Dickson and M. C. Jones, October 14, 1966. 40 cents. 349. The design and operation of a high voltage calibration facility, W. W. Scott, Jr. November 10, 1966. 25 cents.

350. The viscosity and thermal conductivity coefficients of dilute nitrogen and oxygen, G. E. Childs and H. J. M. Hanley. October 31, 1966. 25 cents. 351. Discussion of errors in gain measurements of standard electromagnetic horns, R. W. Beatty. March 1967. 30 cents.

352. The viscosity and thermal conductivity coefficients of dilute neon, krypton, and xenon, H. J. M. Hanley and G. E. Childs. March 23, 1967. 25 cents. 353. Connector for saturated standard cells, J. J. Barth. April 21, 1967. 10 cents. 354. The single-engine Claude cycle as a 4.2 °K refrigerator, R. C. Muhlenhaupt and T. R. Strobridge. June 1, 1967. 45 cents.

400. Electrochemical analysis: Studies of acids, bases, nad salts by EMF, conductance, optical, and kinetic methods, July 1965 to June 1966, Edited by R. G. Bates. September 6, 1966. 55 cents.

401. Activities of the NBS Spectrochemical Analysis Section, July 1965 through June 1966, Edited by B. F. Scribner. September 30, 1966. 55 cents.

403. Microchemical Analysis Section: summary of activities, July 1965 to June 1966, Edited by J. K. Taylor. September 1, 1966. 50 cents.

404. Radiochemical analysis: activation analysis, instrumentation, radiation techniques, and radioisotope techniques, July 1965 through 1966. Edited by J. R. DeVoe. September 30, 1966, $1.25.

405. Organic chemistry: Air pollution studies; kinetic behavior of sugars in solution carbon-14- and tritium-labeled carbohydrates; characterization of chemical structures, phenylhydrozone-phenylazo tautomerism; synthesis of research materials, cyclopentitols and related substances; novel research materials; standard reference materials (organic), July 1965 through June 1966, Edited by H. S. Isbell. September 30, 1966. 60 cents.

408. Superconductive materials and some of their properties, B. W. Roberts. September 26, 1966. 45 cents.

409. Fortran programs for the calculation of Wigner 3j, 6j, and 9j coefficients for angular momenta≤80, R. S. Caswell and L. C. Maximon. November 15, 1966. 40 cents.

410. Improved fortran program for single particle energy levels and wave func tions in nuclear structure calculations, R. S. Caswell. September 30, 1966. 25

cents.

411. Methods for performance-testing of electromechanical pressure transducers, P. S. Lederer. February 9, 1967. 25 cents.

LIB.

412. Quantum mechanical calculations of the second virial coefficients for hydrogen, M. E. Boyd and S. Y. Larsen. April 10, 1967. 15 cents.

414. Quantitative methods for management, G. Suzuki. May 23, 1967. 25 cents. 415. Thermal radiation property measurement techniques, S. T. Dunn, J. C. Geist, D. G. Moore, H. E. Clark, and J. C. Richmond. April 27, 1967. 50 cents. 416. Study of a Halpern-type 4π neutron detector, H. M. Gerstenberg and E. G. Fuller. June 12, 1967. 30 cents.

PUBLICATIONS IN OUTSIDE JOURNALS

Abramowitz, S., Levin, I. W., Vibrational analysis of SeF. and WF., Inorg. Chem. 6, 538-541 (1967).

Achenbach, P. R., Air-to-air heat pumps for military housing, Military Eng. 384, 270 (July-Aug. 1966).

Achenbach, P. R. Performance criteria for building components and systems,
Proc. Porcelain Enamel Inst. Forum, University of Illinois, Urbana, Ill., Sept.
28-30, 1966, 28, 176-195 (1966).

Achenbach, P. R., Phillips, C. W., Penney, R. W., A testing and rating method
for refrigerated trucks with respect to cooling load, Annex to Proc. Intern.
Inst. Refrigeration, Comm. VII, pp. 29-35 (London, England, Sept. 1966).
Alexander, S. N., Computer languages and their use, Am. Mgmt. Assoc. Mgmt.
Bull 79, 8-12 (1966).

Allen, H. C., Jr., Ground state of bis (acetylactonato) copper (11), J. Chem. Phys.
45, No. 2, 553–555 (July 15, 1966).

Allion, H. H., Calibration and use of laminar flowmeters (Proc. 25th Annual
Gas Measurement Short Course, Aug. 25, 1965), West Virginia University Tech.
Bull. 77, 34-43 (1965).

Allman, W. P., A network-simulation approach to the railroad freight train sched-
uling and car sorting problem, Proc. 4th Intern. Conf. Operational Research,
Boston, Mass., Aug. 29-Sept. 2, 1966 (Arthur D. Little Inc., Cambridge, Mass.,
1966).

Allred, C. M., Lawton, R. A., A precision current comparator (Annual ISA Conf.,
New York, N.Y., Oct. 1966), ISA Preprint No. 12.8-2-66 (1966).

Alspach, W. J., Miller, C. E., Flynn, T. M., Mass flowmeters in cryogenic service
(Proc. ASME Flow Measurement Conf., Pittsburgh, Pa., Sept. 26-28, 1966),
Book, Flow Measurement Symposium, pp. 34–56 (American Society of Me-
chanical Engineers, Pittsburgh, Pa., Sept. 1966); Mech. Eng. 89, No. 5, 105–113
(May 1967).

Ambler, E., Colwell, J. H., Hosler, W. R., Schooley, J. F., Magnetization and critical fields of superconducting SrTiO3, Phys. Rev. 148, No. 1, 280–286 (Aug. 5, 1966).

Andrews, D. H., Of time and frequency, Book, How to Listern to the World, pp. 3-7 (World Publ., Hellerup, Denmark, Jan. 1967).

Arenhovel, H., Danos, M., Greiner, W., The photonuclear effect in heavy deformed nuclei, Phys. Rev. 157, No. 4, 1109-1125 (May 1967).

Astin, A. V., International standardization and expanded world trade, Mag. Std. 37, No. 7, 191-194 (July 1966).

Auman, G. E., What environment-for whom? Civil Service J. 7, No. 1, 6-11 (July-Sept. 1966).

Ausloos, P., Radiation and photochemistry, Ann. Rev. Phys. Chem. 17, 205-236 (1966).

Ausloos, P., Lias, S. G., Photoionization of n-butane at 1067-1048A. Decomposition of the parent ion and superexcited molecule, J. Chem. Phys. 45, No. 2, 524-535 (July 15, 1966).

ies

Ausloos, P., Lias, S. G., Scala, A. A., Investigating ion-molecule reactions by analyzing neutral products formed in the radiolysis and photoionization of hydrocarbons, Adv. Chem. Ser. 58, 264-277 (1966).

Baird, R. C., RF measurements of the velocity of light, Proc. IEEE 55, No. 6, 1032-1039 (June 1967).

Baker, D., The National Bureau of Standards and its contributions to geophysics, Trans. Am. Geophys. Union 17, No. 4, 563-568 (Dec. 1966).

Balling, L. C. g1/gë ratios in Rb and Rb, Bull. Am. Phys. Soc. Series II, 12, No. 4, 508 (Apr. 1967).

Balling, L. C., Sodium-electron spin-exchange collisions, Phys. Rev. 151, No. 1, 1-6 (Nov. 4, 1966).

Barber, D. J., Electron microscopy of irradiation-induced defect clusters in magnesium fluoride, Phys. Stat. Solids 16, 531-547 (1966).

Barber, D. J., Tighe, N. J., Electron microscopy and diffraction of synthetic corundum crystals. II. Dislocations and grain boundaries in impurity-doped aluminum oxide, Phil. Mag. 14, No. 129, 531-544 (Sept. 1966).

Barger, R. L., Rare-gas collision broadening in the lowest 'P1 level of Cd, Phys. Rev. 154, No 1, 94-97 (Feb. 5, 1967).

Barghausen, A. F., Medium-frequency sky wave propagation in middle and low latitudes, IEEE Trans. Broadcasting BC-12, No. 1, 1-14 (June 1966). Barnes, J. A., The development of an International atomic time scale, Proc. IEEE 55, No. 6, 822-826 (June 1967).

Bartky, I. R., The absorption spectrum of cesium deuteride. The A' state of CsH, J. Mol. Spectry. 21, No. 1, 25-28 (Sept. 1966).

Bartky, I. R., The absorption spectrum of RbD. Vibrational numbering of the A' state of RbH, J. Mol. Spectry. 21, No. 1, 1-3 (Sept. 1966).

Bartky, I. R., The A1Σ-X'Σ transition of "KH and "KD. Vibrational numbering constants, J. Mol. Spectry. 20, No. 4, 299-311 (Aug. 1966).

Bass, A. M., An improved design for vacuum ultraviolet resonance lamps, Appl. Opt. 5, No. 12, 1967 (Dec. 1966).

Bates, A. A., Building code viewpoints (Building Research Institute Fall Conf., Codes Session, Washington, D.C., Nov. 16, 1966), J. Bldg. Res. Inst. 4, No. 1. 4849 (Jan.-Feb. 1967).

Bates, R. G., Acidity functions for amphiprotic media, Book, Chemistry of Nonaqueous Solvents 1, Sect. III, 97-128 (Academic Press, Inc., New York, N.Y., 1966).

Bates, R. G., Hydrogen-ion concentration, Encyclopedia of Chemical Technology, 2d Edition 11, 380-390 (John Wiley & Sons Inc., New York, N.Y., 1966). Bates, R. G., pH determination, Encyclopedia of Industrial Chemical Analysis 3, 146-161 (John Wiley & Sons Inc., New York, N.Y., 1966).

Bates, R. G., Proposal for the practical measurement of pH in amphiprotic and mixed solvents, Intern. Union Pure Appl. Chem. Info. Bull. No. 26, 50-54 (Aug. 1966).

Bates, R. G., The Acheson medalist, Warren C. Vosburg, his life and career, J. Electrochem. Soc. 113, 309C (1966).

Beatty, R. W., Impedance measurements and standards for uniconductor waveguide, Proc. IEEE 55, No. 6, 933-941 (June 1967).

Beatty, R. W., Microwave standards and measurements in the USA, 1963-1966 (Proc. XV General Assembly of URSI, Munich, Germany, Sept. 5-15, 1966), Book, Progress in Radio Science 1963-1966, Pt. 1, pp. 194-260 (International Scientific Radio Union, Munich, Germany, 1966).

Beatty, R. W., Weinschel, B. O., Scanning the issue, Proc. IEEE 55, No. 6, 737740 (June 1967).

Beers, Y., WWV moves to Colorado, Part I, QST 51, No. 1, 11-14 (Jan. 1967); Part II, QST 51, No. 2, 30-35 (Feb. 1967).