Ionel Ion I. <br/><br/>
Pumps and Pumping.With particular reference to varia- ble-duty pumps / 
Ionel Ion I. 
 - Amsterdam :  Elsevier,  1986. 
 - 715s.,il.,bibliogr. ;  25cm. 
<br/><br/> Studies in Mechanical Engineering.Vol.6 
<br/><br/><label>ISBN: </label>0444995285 
<br/><br/><label>Universal Decimal Class. No.: </label>621.52  621.6