000
00310nam a2200145Ia 4500
003
IN-KoSCC
008
211107s9999 000 0 eng
082
_a
570-74.
100
1
_a
Ward,H.B.
245
1
_a
Fresh-Water Biology,
260
_c
1945
653
_a
Biology.
700
_a
Whipple,G.C.
942
_c
BK
999
_c
31409
_d
31409