AU  - Wang,C.H.
AU  - Willis David, L.
TI  - Radiotracer methodology in the biological  sciences / 
U1  - 541.388 
PY  - 1965///
CY  - Englewood Cliffs : 
PB  - Prentice-Hall , 
KW  - Radioactivity -Measurement
KW  - Radioactive - Tracer
ER  -