Troxell, G. E., Davis, H. E., & Kelly, J. W. (1956). Composition and properties of concrete. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleTroxell, George Earl,, Harmer Elmer Davis, and Joe Wallace Kelly. Composition and Properties of Concrete. New York: McGraw-Hill Book Company, 1956.
Παραπομπή MLATroxell, George Earl,, Harmer Elmer Davis, and Joe Wallace Kelly. Composition and Properties of Concrete. New York: McGraw-Hill Book Company, 1956.
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