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Google圖書搜尋
A Study of the Tribe Gesnerieae and a Revision of Part of Gesneria L. (Gesneriaceae-Gesnerioideae).
Laurence E. Skog
出版
Cornell Univ.
, 1972
URL
http://books.google.com.hk/books?id=kGpQAAAAYAAJ&hl=&source=gbs_api