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A Comparison of Hard and Softened Sources of Water for Household Use
Elaine Knowles WeaverMarilyn WilesEvelyn H. Frank
其他書名
A Study of Nineteen Families Living in Franklin County, Ohio
出版Ohio Agricultural Experiment Station, 1961
URLhttp://books.google.com.hk/books?id=9KcR5jZz93gC&hl=&source=gbs_api