TY  - BOOK
AU  - Ridley,Mark,ed
TI  - Essential Darwin
SN  - 0045750297
U1  - 575.0162 
PY  - 1987///
CY  - London
PB  - Unwin Paperbacks
KW  - Darwin, Charles
KW  - Evolution
N1  - Includes index; Bibliography: p.259-260
ER  -