Studies of the efficiency of water purification processes
著者
書誌事項
Studies of the efficiency of water purification processes
(Public health bulletin, no. 172)
Government Printing Office, 1927
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注記
At head of title: Treasury Department. United States Public Health Service
収録内容
- 1. Results obtained from a preliminary study of the Cincinati and Louisville municipal filtration plants
- 2-3. Results obtained from a collective survey of seventeen municipal filtration plants