TY  - BOOK
AU  - Calvin, Melvin.
TI  - Chemical Evolution: Molecular Evolution towards the Origin of Living systems on the earth and Elswhere / 
U1  - G:66obE9G 
PY  - 1977///
CY  - London W.1 : 
PB  - Oxford University Press , 
KW  - Life Science <chemical Evolution>
ER  -