Kumar, A. N. <br/><br/>
Requirements of thermel ballast for the air storage system of the wind tunnel centre of the National Aeronautical Laboartory / 
by A. N. Kumar 
 - Bangalore :  National Aeronautical Laboartory ,  1961 
 - 37 p. ;  28 cm. 
 - Technical note ;  no.Tn-Ae-11-61 .
<br/><br/><label>Dewey Class. No.: </label>629.13232