1. Watersheds of the World: Ecological Value and Vulnerability
by Allen Hammond; Siobhan Murray Janet Abramovitz Carmen Revenga 
Price: USD 13.69
Dealer: Biblio, Ergodebooks
Description: World Resources Inst, Date: 1998-04-29. Paperback. Good. 1998. World Resources Inst ISBN 156973254X 9781569732540 [US] 

2. Watersheds of the World: Ecological Value and Vulnerability
by Allen Hammond; Siobhan Murray, Janet Abramovitz Carmen Revenga 
Price: USD 13.69
Dealer: Abebooks, Ergodebooks
Description: ISBN10: 156973254X, ISBN13: 9781569732540, [publisher: World Resources Inst] Softcover [Houston, TX, U.S.A.] [Publication Year: 1998]