000 00348 a2200121 4500
008 181126b xxu||||| |||| 00| 0 eng d
100 _aNeedham, J.G
245 _aA guid to the study of fresh-water biology /
_cNeedham, J.G. and Needham, P.R.
260 _bHolden-day INC, SEN
_c1962
300 _a120p.
700 _a Needham, P.R.
942 _2ddc
_cBK
999 _c7454
_d7454