1.

図書
図書
1. Water works practice : a manual
issued by the American Water Works Association
出版情報: Baltimore : Williams & Wilkins, 1926
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2.

図書
図書
2. Supplement to the fifteenth edition of standard methods for the examination of water and wastewater : selected analytical methods approved and cited by the United States Environmental Protection Agency
prepared and published by American Public Health Association, American Water Works Association, Water Pollution Control Federation
出版情報: Washington : APHA-AWWA-WPCF, 1981.
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3.

図書
図書
3. Standard methods for the examination of water, sewage, and industrial waster. 10th ed
prepared and published jointly by American Public Health Association, American Water Works Association, Federation of Sewage & Industrial Wastes Associations
出版情報: New York : American Public Health Assn., 1955
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