Spring, K. H. <br/><br/>
Direct generation of electricity / 
K. H. Spring 
 - London :  Academic Press,  1965 
<br/><br/>Includes appendix ; bibliography & index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering<br/>Electricity
<br/><br/><label>Dewey Class. No.: </label>621.31  / SPR