1. Ecological Regions of North America: Toward a Common Perspective
Price: USD 14.95
Dealer: Biblio, Encore Books & Records
Description: Commission for Environmental Cooperation, Date: 1997. Paperback. Very Good -/No Jacket. 1997. Commission for Environmental Cooperation ISBN 292230518X 9782922305180 [CA] 

2. Ecological Regions of North America: Toward a Common Perspective
Price: USD 14.95
Dealer: Abebooks, Encore Books
Description: ISBN10: 292230518X, ISBN13: 9782922305180, [publisher: Commission for Environmental Cooperation] Softcover [Montreal, QC, Canada] [Publication Year: 1997]