abc <br/><br/>
Handbook of electronics formulas / 
abc 
 -  A & C Black Ltd., London,  1900 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric control
<br/><br/><label>Dewey Class. No.: </label>629.8043 ABC.A-H