Happ, H.H., 1928-, <br/><br/>
Piecewise methods and applications to power systems / 
H.H. Happ. 
 - New York :  Wiley,  1980. 
 - 405 pages :  illustrations ;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interconnected electric utility systems.<br/>Systems engineering.