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2. Theory of Water Filtration;Camp;ASCE Jour.-San. Engrg. Div.,1964
3. AWWA-California Section Direct filtration seminar, Water Treatment Forum V, Oakland and Los Angeles, Calif 1976
4. Theory of Water Filtration;O'Melia;Jour, AWWA,1967
5. Ives , K. J. Theory of Filtration Special subject No. 7, IWSA Congress, Vienna 1969