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Habitat

Daniel Stephen Halacy

出版	Macrae Smith Company, 1970
主題	Juvenile Nonfiction / Science & Nature / Environmental Science & EcosystemsSocial Science / Sociology / General
ISBN	08255402919780825540295
URL	http://books.google.com.hk/books?id=SCoVnxA7DmQC&hl=&source=gbs_api

註釋

Discusses man's place in nature and his role in maintaining proper ecological balance.