Loper, Orla E. <br/><br/>
Direct Current  : fundamentals  
Orla E. Loper 
 - New York:  State University of New York,  1963. 
 - iv, 336p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electromagnetism 
<br/><br/><label>Dewey Class. No.: </label>621.34  / LOD