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Havasupai Master's Project : [thesis in Partial Fulfillment of the Requirements for the Degree of Master of Science, School of Natural Resources, University of Michigan]

Carol ClementsChristine DunawayPatrick JuddLaura Rackmales-ThomsonJon Russell

出版	University of Michigan, 1991
URL	http://books.google.com.hk/books?id=ZeXprT542UcC&hl=&source=gbs_api