publisher: IWA Publishing (Intl Water Assoc) publish date: March 1st 2003
format: paperback pages: 136
language: English
ISBN:
1843396637 (9781843396635)
publisher: Turtleback Books
publish date: September 1st 2006
format: hardcover pages: 32
language: English
ISBN:
1417780231 (9781417780235)