How things work, the Universal encyclopedia of machines  vol. 1 
Haper-Collins 
 - New Delhi  Harper Collins  1998 
 - 590p 
<br/><br/><label>ISBN: </label>0-586-08095-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machines encyclopedia
<br/><br/><label>Universal Decimal Class. No.: </label>03:621  / HAP-1