000
00293nam a2200133Ia 4500
008
160316s1949 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
Allee,W C
245
_a
Principles Of Animal Ecology
250
_a
260
_a
LONDON
_b
SANSERS CO
_c
1949
300
_a
837
700
_a
_a
999
_c
19723
_d
19723