Variable speed pumping : a guide to successful applications. 

 - Oxford:  Elsevier,  2004. 
 - xi, 172p.; 26cm 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"978-1-85617-449-7" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Pumping machinery 2. Variables speed drives
<br/><br/><label>Subjects--Index Terms: </label>"N" 
<br/><br/><label>LC Class. No.: </label>TJ901 .V37