Theobald, D.W. <br/><br/>
The concept of energy. 
D.W. Theobald 
 - London  Spon  1966 
 - xv, 192p. :Ill. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science -  Physics
<br/><br/><label>LC Class. No.: </label>QC 73