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Books

 
Publisher: National Geographic Society
ISBN10: 0792265602 ISBN13: 9780792265603 DDC: 508.51/5 LCC: QL737
 
Publisher: International Marine/Ragged Mountain Press
ISBN10: 0071361405 ISBN13: 9780071361408 Edition: Paperback; 2000-05-17
 
Publisher: Beacon Press
ISBN10: 0807070459 ISBN13: 9780807070451 Edition: Paperback; 1992-09-01