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2. Recent studies in the hydrography of Oregon estuaries;Burr;Res. Briefs, Fish Commission Oregon,1959
3. Defant , Albert Physical Oceanography 2 306 307 Pergamon New York 1961
4. Ippen , Arthur T. Donald R. F. Harleman One-dimensional analysis of salinity intrusion in estuaries, Tech. Bull. 5 7 48 Committee on Tidal Hydraulics, U.S. Army Corps of Engineers Vicksburg, Miss. 1961