Hammer, M. J., & Viessman, W. (1999). Water supply and pollution control (6.).
Chicago Edition CitationHammer, Mark J., and Warren Viessman. Water Supply and Pollution Control. 6. Newyork, Addison Wesley, 1999.
MLA Edition CitationHammer, Mark J., and Warren Viessman. Water Supply and Pollution Control. 6. 1999.
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