000 00576 a2200253 4500
001 20667
020 _a0
041 _aeng
080 _a628.2/.5 Ind:4:77
245 _aIndividual onsite wastewater systems : proceedings of the fourth national conference, 1977 / edited by Nina I. McClelland
250 _a
260 _aAnn Arbor
260 _bAnn Arbor Science,
260 _c1978
300 _avi,238 p.
300 _c23 cm
490 _a
100 _a
700 _a
650 _a
650 _aWastewater treatment-Congresses
942 _cBK
942 _2UDC
999 _c27843
_d27843