620.11 Dav T Davis, Harmer Elmer, 1905- The testing and inspection of engineering materials [by] Harmer E. Davis, George Earl Troxell [and] Clement T. Wisckocil. 3d. ed. New York, McGraw-Hill [c1964] 475 p. ilus. tablas. 24 cm (McGraw-Hill civil engineering series) Bibliografía: p. 436-459