Ostermann Kurt. <br/><br/>
Pumpentechnik in der Wasserversorgung / 
Ostermann Kurt. 
 - Köln :  Rudolf Müller,  1987. 
 - 112 s.,il. ;  30 cm. 
<br/><br/><label>ISBN: </label>3481165218 
<br/><br/><label>Universal Decimal Class. No.: </label>621.57