Waddington, D. <br/><br/>
Evaluation of pumps and motors for photovoltaic water pumping systems / 
D. Waddington, A. Herlevich 
 - Colorado :  Solar Energy Research Insitute,  1982 
 - 53 p. :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pumping machinery, Electric<br/>Photovoltaic power generation