000 00291 a2200109 4500
008 180806b xxu||||| |||| 00|
100 _a Ralph Mitchell
245 _aWater pollution microbiology /
_c Ralph Mitchell
260 _aNew york
_bWiley-Interscience
_c1978
300 _a442p
942 _2ddc
_cBK
999 _c6837
_d6837