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J. C. Simpson的作品

Cover for J. C. Simpson · The Iowa Year Book of Agriculture (Paperback Book) (2013)

The Iowa Year Book of Agriculture (2013)

Cover for J. C. Simpson · Pyridazine and Pyrazine Rings, Volume 5: Cinnolines, Phthalazines, and Quinoxalines - Chemistry of Heterocyclic Compounds: A Series Of Monographs (Hardcover Book) (1953)

Pyridazine and Pyrazine Rings, V... (1953)