Den Hartog, J. P. 1901-1989. Strength of materials. - 1st ed. - New York, McGraw-Hill Book Co., 1949. - viii, 323 p. illus. 24 cm. Sequel to Mechanics. LCCN: 49009725 Subjects--Topical Terms: Strength of materials. LC Class. No.: TA405 / .D4 Dewey Class. No.: 620.11