1
Published 1971
American Chemical Society
Subjects: ...Sewage sludge digestion / Computer simulation...

2
Published 1990
American Chemical Society
Subjects: ...Sewage / chemistry...

3
Published 1993
American Chemical Society
Subjects: ...Sewage / chemistry...

4
Published 1991
American Chemical Society
Subjects: ...Sewage / chemistry...

5
Published 1994
American Chemical Society
Subjects: ...Sewage / chemistry...

6
Published 1995
American Chemical Society
Subjects: ...Sewage / Purification / Oxidation...