Indian Standards Institution <br/><br/>
Indian standard code of practice for interior illumination part I principles of good lighting and aspects of design  illuminating engineering and lifts sectional committee, ETBDC 9 

 - Indian Standards Institution, New Delhi  1967 
 - 60 
<br/><br/><label>Dewey Class. No.: </label>IS:3646(pt.I)-1966 621.32 I.S.I.