TY  - BOOK
AU  - Calvin, Melvin
TI  - ISOTOPIC CARBON, TECHNIQUES IN ITS MEASUREMENT AND CHEMICAL MANIPULATION
U1  - 541.2 
PY  - 1949///
CY  - N. Y.
PB  - J. Wiley
KW  - Carbon. Isotopes
KW  - Tracers (Chemistry)
KW  - Tracers (Biology)
ER  -