Walker, Rodger <br/><br/>
Pump selection  a consulting engineer's manual 
Rodger Walker 
 - Ann Arbor  Ann Arbor Science  1972 
 - 118 p.  illus  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pumping machinery<br/>Pumping stations
<br/><br/><label>Dewey Class. No.: </label>621.2  / 52