Biology of wastewater treatment /
Gray, N. F.
Biology of wastewater treatment / N.F. Gray. - Oxford [England] ; New York : Oxford University Press, 1989. - xiv, 828 p.
0198590148
90011140
Sewage--Purification--Biological treatment.
Sewage disposal.
Biotechnology.
Biology of wastewater treatment / N.F. Gray. - Oxford [England] ; New York : Oxford University Press, 1989. - xiv, 828 p.
0198590148
90011140
Sewage--Purification--Biological treatment.
Sewage disposal.
Biotechnology.