Upgrading of biological filter sewage purification processes for phosphate and nitrogen removal
Herman N. S. Wiechers, Andries S. Louw, Nick C. Thirion, Karin E. U. Brodisch
Inglês
[S.l.] : 1984, [s.n.]
p. 205-210 : il.; 30 cm
Brodisch,, Karin E. U.Louw,, Andries S.Thirion,, Nick C.Wiechers,, Herman N. S.