Control of sunlight penetration in buildings (at stations between latitude 27°N to 30°N) / 
by J. L. Sehgal 
 - New Delhi :  National Building Organisaion ,  1963 
 - 27 p. ;  22 cm. 
 - Technical Information Series ;  no.21 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architecture and climate<br/>Building--Research--India
<br/><br/><label>Dewey Class. No.: </label>690