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UNITED STATES DEPARTMENT OF COMMERCE

MAURICE H. STANS, Secretary,
NATIONAL BUREAU OF STANDARDS • A. V. Astin, Director

Photon Cross Sections, Attenuation Coefficients,
and Energy Absorption Coefficients

From 10 keV to 100 GeV

[blocks in formation]

NSRDS-NBS 29
Nat. Stand. Ref. Data. Ser., Nat. Bur. Stand. (U.S.), 29, 85 pages (August 1969)

CODEN: NSRDA

Issued August 1969

For sale by the Superintendent of Documents, U.S. Government Printing Office

Washington, D.C.. 20402 - Price 75 cents

Library of Congress Catalog Card No. 73-600412

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