Plants, Helen Lester. Programmed topics in statics and strength of materials / Helen Lester Plants [and] Russell Rex Haynes. - New York, McGraw-Hill [1966] - xii, 178 p. illus. 23 cm. Subjects--Topical Terms: Statics--Problems, exercises, etc.Strength of materials--Problems, exercises, etc. LC Class. No.: TA350.7 / .P55 Dewey Class. No.: 620.11 / PLA 1966