Kotrappa, P. <br/><br/>
Unit for testing high efficiency filters / 
P. Kotrappa, G. S. Jauhri and S. K. Dua 
 - Bombay :  Atomic Energy Establishment Trombay,  1965 
 - Various pagings ;  29 cm. 
<br/><br/> Later name of the Publisher : Bhabha Atomic Research Centre 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--India
<br/><br/><label>Dewey Class. No.: </label>539.7