Subrahmanyam, N. <br/><br/>
Principles of physics. 

 - New Delhi :  S.chand and company,  1991. 
 - 1111 p. 
<br/><br/><label>ISBN: </label> 90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravity.<br/>Machines.<br/>Physics.
<br/><br/><label>Dewey Class. No.: </label>530  / SUB-p