000 | 00570nam a2200157 a 4500 | ||
---|---|---|---|
005 | 20220228110809.0 | ||
035 | _aF8901000719939 | ||
084 | _aEPA R2-72- 031 1972 | ||
100 | _aMorgan, W.E. | ||
245 | _ainvestigation of phosphorus removal mechanisms in activated- sludge systems / by W.E. Morgan and E. Gus Fruh | ||
260 | _aWashington, D.C. : Environmental Protection Agency | ||
300 | _a[158] p. | ||
440 | _aEnvironmental protection technology series EPA-R2-72-031 | ||
690 | _aFósforo - Remoción - Lodo activado - Sistemas | ||
700 | _aFruh, E.Gus, coaut. | ||
999 |
_c65806 _d65806 |