TY  - BOOK
AU  - Clark, George L.
TI  - Applied X-Rays
U1  - 621.3673 21st ed.
PY  - 1932///
CY  - New York
PB  - McGraw-Hill
KW  - X-Rays
KW  - X-Rays-Industrial applications
N1  - Index: pp 463-70
ER  -