TY  - BOOK
ED  - United States.
TI  - Protection against betatron-synchrotron radiations up to 100 million electron volts
AV  - QC100 .U565 no. 55
U1  - 539.77 UNI 1957 
PY  - 1957///
CY  - Washington
PB  - [U. S. Govt. Print. Off.]
KW  - Radiation
KW  - Radiation protection
KW  - Safety measures
ER  -