publisher: American Water Works Association publish date: January 28th 1985
format: paperback pages: 88
language: English
ISBN:
089867347X (9780898673470)
publisher: American Water Works Association publish date: January 1st 1990
format: paperback pages: 54
language: English
ISBN:
0898674867 (9780898674866)
publisher: American Water Works Association publish date: March 1st 1996
format: Spiral pages: 522
language: English
ISBN:
0898678099 (9780898678093)
publisher: American Water Works Association publish date: January 1st 1998
format: paperback pages: 145
language: English
ISBN:
089867977X (9780898679779)