TY  - BOOK
AU  - Harper,Dorothy
TI  - Isotopes in action
U1  - 621.4837 
PY  - 1963///
CY  - Oxford
PB  - Pergamon Press
KW  - Radioisotopes
KW  - Radioisotopes in agriculture
KW  - Nuclear medicine
KW  - Industrial application
ER  -