000
00240 a2200097 4500
008
190227b xxu||||| |||| 00| 0
100
_a
Ward, H. B.
245
_a
Freshwater biology /
_c
H. B. Ward, G. C. Whipple
300
_a
236p.
942
_2
ddc
_c
BK
999
_c
9402
_d
9402