TY  - BOOK
AU  - Lenihan, John, ed.
AU  - Fletcher, William W., ed.
TI  - The biological environment
SN  - 0-216-90750-0
U1  - 577 21st ed.
PY  - 1979///
CY  - Glasgow
PB  - Blackie
KW  - Human ecology
KW  - Natural selection
N1  - Index: pp 161-65
ER  -