TY  - BOOK
AU  - Comar, C. L.
TI  - Radiosotopes in biology and agriculture: principles and practice
SN  - 54-11261
U1  - 621.039 
PY  - 1955///
CY  - New York
PB  - Mc Graw Hill Book Company
KW  - Biology
KW  - Engineering -- General
N1  - general science, medicine, biology
ER  -