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Using Sewage Effluent and Liquid Digested Sludge to Establish Grasses and Legumes on Bituminous Strip-mine Spoils

William E. Sopper

出版	Institute for Research on Land and Water Resources, Pennsylvania State University, 1974
URL	http://books.google.com.hk/books?id=q7kMmA6XoXsC&hl=&source=gbs_api