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Growth Responses of Red Spruce (Picea Rubens Sarg.) and Balsam Fir (Abies Balsamea (L.) Mill.) to Vegetation Management with Herbicides in Maine

Gary Richard Schaertl

出版	University of Maine, 1994
URL	http://books.google.com.hk/books?id=UZJsGwAACAAJ&hl=&source=gbs_api