000
00305 a2200109 4500
008
180808b xxu||||| |||| 00| 0 eng d
100
_a
Ricker, W. E.
245
_a
Methods for assessment of fish production in freshwater /
_c
W. E. Ricker
260
_b
Blackwell Science
300
_a
384p.
942
_2
ddc
_c
BK
999
_c
6860
_d
6860