Welch, E. B.
Ecological effects of waste water / E.B. Welch ; with hydrographic characteristics by T. Lindell. - 2nd ed. - London : Chapman & Hall, 1992. - x, 425 p. : ill.
041234940X
93015170
Sewage--Environmental aspects.
Ecological effects of waste water / E.B. Welch ; with hydrographic characteristics by T. Lindell. - 2nd ed. - London : Chapman & Hall, 1992. - x, 425 p. : ill.
041234940X
93015170
Sewage--Environmental aspects.