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Google圖書搜尋
Observation and Learning in the Red Ruffed Lemur (Varecia Variegata Variegata Rubra)
Toni Goodyear
出版
University of North Carolina at Chapel Hill
, 1988
URL
http://books.google.com.hk/books?id=cSnbJwAACAAJ&hl=&source=gbs_api