Standard timber purlins for light weight medium weight and heavy weight roofings from standard group timbers  / 
N. J. Masani....[et all] 
 - Delhi :  Manager of Publications ,  1966 
 - 14 p. :  ill. ;  24 cm. 
 - a timber engineering hand book series;  no.15 .
<br/><br/><label>ISBN: </label> Re. 00.95 
<br/><br/><label>Dewey Class. No.: </label>694.2