Gray, Alexander,  1882-1921. <br/><br/>
Principles and practice of electrical engineering / 
by Alexander Gray, G. A. Wallace. 
 - 8th ed. 
 - New York :  Tokyo :  McGraw-Hill Book Company ;  Kogakusha Company,  c1962. 
 - xiii, 599 σ. :  εικ., διαγρ. ;  21 εκ. 
<br/><br/> International student edition. 
<br/><br/>Ευρετήριο: σ. 593-599. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ηλεκτρολογική μηχανική.<br/>Electrical engineering.
<br/><br/><label>Dewey Class. No.: </label>621.3