000 00450pam a2200169a 44500
008 160408b1977 xxu||||| |||| 00| 0 eng d
082 _a628.168
_bB516w
100 _aBlack, John A.
245 1 _aWATER POLLUTION TECHNOLOGY
260 _aReston
_bReston Pub.
_c1977
300 _a260
650 _aWater -- Pollution
650 _aWater -- Pollution -- Measurement
650 _aSewage -- Purification
964 _gCIRC
997 _aA54466 C
999 _c300805
_d300805