BOOK
Title:
X-ray protection
Creators:
United States National Bureau of Standards. | Taylor, Lauriston Sale, 1902-
Publication:
U.S. Govt. Print. Off, Washington, 1931.
Call #:
389 UN3SH
Extent:
iii, 26 p. incl. tables : 3 pl. on 2 l. ; 20 1/2 cm.
Subjects:
