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Google圖書搜尋
Seed Cone Production Enhanced by Injecting 38-year-old Larix Occidentalis Nutt. with GA 4/7
Raymond C. Shearer
出版
U.S. Department of Agriculture, Forest Service, Intermountain Research Station, Forestry Sciences Laboratory, Northern Region
, 1994
URL
http://books.google.com.hk/books?id=m4TXuQEACAAJ&hl=&source=gbs_api