1
Published 1992
American Chemical Society
Subjects: ...Surface-active agents / Environmental aspects...

2
Published 1994
American Chemical Society
Subjects: ...Surface-Active Agents...

3
Published 1992
American Chemical Society
Subjects: ...Surface active agents / Analysis...

4
Published 1993
American Chemical Society
Subjects: ...Active oxygen / Utilization...

5
Published 1992
American Chemical Society
Subjects: ...Sewage / Purification / Activated sludge process / Measurement...