Journal of the Rubber Research institute of Sri Lanka v.54 1977-1994 

 - [S.l]  Rubber Research institute of Sri Lanka  1994 
 - 1 Jan,1977-31 Dec,1994 
<br/><br/><label>ISBN: </label>0035-9531      
<br/><br/><label>Dewey Class. No.: </label>633.895205   / JOU