Stoffel, Bernd, <br/><br/>
Assessing the energy efficiency of pumps and pump units :  background and methodology / 
spine title :  Assessing the energy efficiency of pumps and pump units. 
Bernd  Stoffel. 
 - xxi, 136 pages:  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references (page 129-131) and index. 
<br/><br/><label>ISBN: </label>9780081005972  RM509.56 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pumping machinery.