Microprogrammed versatile modem for underwater communication  
/ Indian Institute of Technology 
 - Delhi:   Indian Institute of Technology,   1981 
 - 374p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Chlorine 
<br/><br/><label>Universal Decimal Class. No.: </label> /