Patela, Ganesa K. <br/><br/>
Urja / 
Ganesa K. Patela 
 - Ahemadabad :  Grantha Nirmana Board,  1989 
 - xii, 168 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label> Rs. 25.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy
<br/><br/><label>Dewey Class. No.: </label>531.6