000
00261nam a22001217a 4500
008
170405b xxu||||| |||| 00| 0 eng d
041
_a
eng
080
_a
574
100
_a
9
101
_a
SHM
245
_a
ECOLOGICAL METHODS
_c
SOUTHWOOD, T.R.E
942
_2
udc
_c
BK
999
_c
9767
_d
9767