TY  - BOOK
AU  - Calvin, Melvin.
TI  - Chemical evolution: molecular evolution towards the origin of living systems on the earth and elsewhere
U1  - 575 
PY  - 1969///
CY  - New York
PB  - Oxford University
KW  - Evolución
KW  - Química
KW  - Vida
KW  - Origen
ER  -