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Google圖書搜尋
External Factors Influencing Female Flowerin in Picea Abies L. Karst
Katarina Lindgren
Inger Ekberg
Gösta Eriksson
出版
Skogshögskolan
, 1977
URL
http://books.google.com.hk/books?id=qwkPPwAACAAJ&hl=&source=gbs_api