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المؤلفون: J. X. Cohen, G. Franze, W. L. Stevenson, John H. Gregory, L. C. Whittemore, C. A. Jennings, Rudolph Hering, Langdon Pearse, George A. Soper, J. H. Granbery, George W. Fuller, Emil Kuichling, G. Bertram Kershaw, Samuel A. Greeley, George C. Whipple, Alexander Potter, Hermann Shaffer, George T. Hammond, David T. Pitkethly, J. C. Riedel, William L. D’Olier, Charles E. Gregory, F. T. Robson
المصدر: Transactions of the American Society of Civil Engineers. 78:954-1038