00500nam a22001457a 4500008004100000040005500041080002100096245009400117260004300211300001000254650001200264653002600276700002900302700002300331230609b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a628.3(082.2)bL7  aIndividual onsite wastewater systemsc/ Proceedings of the first national conference 1974  aMichigan:  bAnn Arbor Science, c1977  a166p.  aScience  aEnvironmental science  aMcClelland, Nina I (Ed.)  aHamza, Ahmed (Ed.)