Britannica Lessons : Book IX Physics Work and Energy 

 - New York :  Encyclopeadia Britannica, 
 - vi, 148p.;  28cm 
<br/><br/><label>ISBN: </label>8171549292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530  / LES