TY  - BOOK
AU  - Calow,Peter
TI  - Evolutionary principles
T2  - Tertiary level biology
SN  - 041200321X (pbk.) 
AV  - QH366.2 
PY  - 1983///
CY  - Glasgow, New York
PB  - Blackie, Distributed in the USA by Chapman and Hall
KW  - Evolution
N1  - Includes index; Bibliography: p. 101-104
ER  -