000 00509 a2200253 4500
001 147114
020 _a0-12-576550-910
041 _aeng
080 _a628.3 Ram(2)
245 _aIntroduction to waste water treatment processes
250 _a
260 _aNew York
260 _bAcademic Press,
260 _c1977
300 _aix,409 p.
300 _c23 cm
490 _a
100 _aRamalho, R.S.
700 _a
650 _a
650 _aSewage-Purification
942 _cBK
942 _2UDC
999 _c109830
_d109830