THA

CON

LIBRA

CONG

RESS THE LIBR

RESS THE LIBRARY

THE

NGRESS THE LIBRARY,

LIZ

S THE
LIBRARY
OF CONGRESS THE LIBRARY
OF CONGRESS THE I

LIBRARY

CONGRESS THE LIBRARY,

OF CONGRESS THE LIBRARY

CON

CONG

CONGRESS THE LIBRARY OF CONGRESS THE LIBRARY OF CONG

IBRARY OF CONGRESS THE LIBRANT CONGRESS THE LIB

NGRECO THE LIBRAR

CONGRESS

CONGRESS THE LIBRARY

THE LIBRARY

ONGRESS THE LIBRAR EL SE

R

THA

YOF

OF

CONGRESS THE LIBRARY SE

CONGRESS THE LIBRARY SE

THE LIBRANQUA

CON

OF#

GRESS THE LIB

CONG

BAL

THI

CON

OF CONGRESS THE LIBRARY

OF CONGRESS THE LIBRARY OF CONGRESS THE L

GRESS THE LIBRARY

ан

ARY

THE

LIBR

ONG

CO

CONGRESS THE

LIBRARY

RY OF

OF CONGRESIBRARY

TH

CON

OF CONGRESS

CONGRESS THE LIBRAR

CONGRESS THE LIBRA

& CONGRESS THE LIBRARY OF CONGRESS THE LIBRARY

CONGRESS THE LIBRARY

OF

THE LIBRAR

#8

OF CONGRESS THE LIBRARY OF CONGRE 18 LIBRARY

THE

OF CONGRESS THE LIBRARY OF CONGRESS THE LIBRARY

OF CONGRESS THE LIBRARY

THE

OF CONGRESS THE LIB

CON

A B CONGRESS THE LIBRARY

CON

A SE OF CONGRESS THE LIBRAR

CONGRESS THE LIBRARY

COX

F CONGRESS

doc

F CONGRESS THE LIBRARY,

F CONGRESS THE LIBRARY

CON

CONG

D

武

CONG

COMMITTEE ON SCIENCE

HOUSE OF REPRESENTATIVES

ONE HUNDRED SIXTH CONGRESS

For sale by the U.S. Government Printing Office

Superintendent of Documents, Congressional Sales Office, Washington, DC 20402

ISBN 0-16-059646-7