Poorman, Alfred P. b. 1877. Strength of materials. [electronic resource] . — 3d ed.. — New York, London, : McGraw-Hill Book Company, inc.,, 1937.. — 314 p. : illus., diagrs. 24 cm. Subjects--Topical Terms: Strength of materials. LC Class. No.: TA405 / .P65 197 Dewey Class. No.: 620.11