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Google圖書搜尋
Drought Index for Forest Fire Control
John J. Keetch
George M. Byram
其他書名
With List of Literature Cited
出版
Forest Service, Southeastern Forest Experiment Station, U.S. Department of Agriculture
, 1968
URL
http://books.google.com.hk/books?id=-ftdpwAACAAJ&hl=&source=gbs_api