000
00307nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
030 Cowx I G
100
_a
Cowx I G
245
_a
Catch effort sampling strategies Their application in freshwater fisheries management
260
_b
_c
942
_c
BK
_2
ddc
999
_c
6468
_d
6468