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The Fertilizer Inspection for 1913

Bert E. CurryDavid LumsdenFrederick W. TaylorJoseph Harvey GourleyWalter Collins O'KaneTodd Orin SmithFrank App

出版	New Hampshire Agricultural Experiment Station, New Hampshire College of Agriculture and the Mechanic Arts, 1913
URL	http://books.google.com.hk/books?id=4nVRAQAAMAAJ&hl=&source=gbs_api