Gray
Biology of wastewater treatment / N. F. Gray. - 2nd ed.. - Covent Garden Imperial College Press 2004. - xviii, 1421p. ill. 23cm - Series On Environmental Science and Management .
Includes index p.1395 - 1421
1860943284
Biotechnology
Sewage disposal
Sewage--Purification--Biological treatment
628.351 GRA 2004
Biology of wastewater treatment / N. F. Gray. - 2nd ed.. - Covent Garden Imperial College Press 2004. - xviii, 1421p. ill. 23cm - Series On Environmental Science and Management .
Includes index p.1395 - 1421
1860943284
Biotechnology
Sewage disposal
Sewage--Purification--Biological treatment
628.351 GRA 2004