TY  - BOOK
ED  - National Committee on Radiation Protection (U.S.)
TI  - Safe handling of radioactive isotopes
AV  - QC100 .U565 no. 42
U1  - 621.4837 UNI 1949 
PY  - 1949///
CY  - Washington
KW  - Isotopes
KW  - Radiation
KW  - Safety measures
N1  - Superseded by Handbook no. 92 with title: Safe handling of radioactive materials
ER  -