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Studies on Cuttings of Norway Spruce [Picea Abies L. Karst) Undergoing the Rooting Process

K. F. Dalgas

出版	Arboretet Hørsholm, Akad. Forl., 1973
ISBN	87500130849788750013082
URL	http://books.google.com.hk/books?id=ZPQOAQAAMAAJ&hl=&source=gbs_api