000
00403nam a2200121Ia 4500
008
160316s9999 xxu||||| |||| 00| 0 eng d
100
_a
David, David E Ed.
245
_a
Behaviour as an ecological factor
260
_a
Pennsylvania
_b
Dowden
_c
1974
300
_a
XV, 390p
650
_a
Animal ecology
999
_c
13022
_d
13022