Indian Standards Institution <br/><br/>
Indian standard specification for wool felt (pressed)  wool and wool products sectional committee, TDC 4 

 - 2nd rev 
 - Indian Standards Institution, New Delhi  1980 
 - 18 
<br/><br/><label>Dewey Class. No.: </label>IS:1719-1979 677.3 I.S.I.