Sharma, M.C <br/><br/>
Relays and their applications 
M.CSharma 
 - New Delhi  BPB  1986 
 - iii,163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relays and their applications
<br/><br/><label>Dewey Class. No.: </label>621.317S531R