Plants, Helen Lester. <br/><br/>
Programmed topics in statics and strength of materials / 
Helen Lester Plants, Russell Rex Haynes. 
 - New York :  McGraw-Hill,  [1966]. 
 - xii, 178 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statics--Problems.<br/>Strength of materials--Problems.