Srinivasan, S. A. <br/><br/>
Basic concepts in signal engineering / 
Srinivasan, S. A. 
 - London :  Asia publishing,  c1964. 
 - ix, 135 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Railroads --Signaling.
<br/><br/><label>Dewey Class. No.: </label>625.1  / SRB 1964