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Clarence Edward Keefer Papers

Clarence Edward Keefer

出版	1935
URL	http://books.google.com.hk/books?id=uytykgAACAAJ&hl=&source=gbs_api

註釋

Collection consists of manuscript pages of several chapters of Clarence Edward Keefer's published work, "Sewage-Treatment Works: Administration and Operation." Included also is the typescript of the final draft of the volume which was published by McGraw-Hill, New York in 1940