Marston, R.M. <br/><br/>
Electronic alarm circuits manual 

 - New Delhi  BPB publications  1993 
 - 124p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Security electronics
<br/><br/><label>Dewey Class. No.: </label>621.38928  / MAR