Plants, Helen Lester. <br/><br/>
Programmed topics in statics and strength of materials / 
Helen Lester Plants and Russell Rex Haynes. 
 - New York:  McGraw-Hill Book,  1966. 
 - xii, 178 pages:  illustrations ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statics--Problems, exercises, etc.<br/>Strength of materials--Problems, exercises, etc.