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pro vyhledávání: '"W. Victor Weil"'
Autor:
Marvin E. Hartz, Melvin P. Hatcher, Roy A. Wehe, W. Victor Weil, Joseph F. O'Grady, George H. Dann, Winthrop P. Hersey
Publikováno v:
Journal - American Water Works Association. 51:1518-1534
OWING to the heavy loads placed on most water systems by increasing demands in the last 10-15 years, millions of dollars have been spent on construction, improvement of operations, training of personnel, and public relations. It is felt that a fair s