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Google圖書搜尋
Canadian Forest Fire Statistics - Part 1-1978 - Part 2-1979
Petawawa National Forestry Institute
Canadian Forestry Service. Petawawa National Forestry Institute, Chalk River
出版
Canada. Department Of The Environment. Canadian Forestry Service. Petawawa National Forestry Institute
, 1981
URL
http://books.google.com.hk/books?id=3_35PgAACAAJ&hl=&source=gbs_api