Bharat Sarkar, Vygnanik Tatha Thakniki Shabdhavali Aayog. <br/><br/>
Yaanthrik Engineering Paribhasha Kosh-1. (Text In Hindi) 

 -  Bharat Sarkar  1992 
<br/><br/><label>Universal Decimal Class. No.: </label> / 621(03)=914.3 IND.92