TY  - BOOK
AU  - Margulis,Lynn
AU  - Sagan,Dorion
TI  - Microcosmos: four billion years of evolution from our microbial ancestors 
SN  - 004570015x :
U1  - 575 
PY  - 1987///
CY  - London
PB  - Allen and Unwin
KW  - Evolution (Biology)
KW  - Microorganisms
KW  - Evolution
N1  - Includes index
ER  -