Vas, Gratian <br/><br/>
Mechanical energy / 
Gratian Vas. 
 - New Delhi :  Sterling Pub.,  2006. 
 - 32 p.:  25 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>1-84557--251-3 
<br/><br/><label>LC Class. No.: </label>333.79 V44m