_Liquid Scintillation Counting: Proceedings of a Conference Held at
Northwestern University, August 20-22, 1957_, C. G. Bell, Jr. and F.
N. Hayes (Eds.), Pergamon Press, Inc., New York, 1957, 292 pp.,
$10.00.
_Atomic Energy Research: Life and Physical Sciences; Reactor
Development; and Waste Management_, A Special Report of the U. S.
Atomic Energy Commission (December 1961), Superintendent of Documents,
U. S. Government Printing Office, Washington, D. C. 20402, 333 pp.,
$2.25.