TY  - BOOK
AU  - Comar, Cyril Lewis.
TI  - Radiosotopes in biology and agriculture: : principles and practice
U1  - 630.72 
PY  - 1955///
CY  - New York
PB  - McGraw-Hill
KW  - Radioisótopos
KW  - Trazadores radioactivos
ER  -