The essentials of mechanics / 
Staff of Research and Education Association ; Dr. M. Fogiel, director 
 - 3 volumes ;  illustartions ;  21 cm. 
<br/><br/><label>ISBN: </label>0878916113 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics.
<br/><br/><label>Dewey Class. No.: </label>531