Soil Survey 1967-68  Results for the North Lakhimpur & Biswanath Districts 
Tea Research Association 
 - Jorhat  Tocklai Experimental Station  1968 
 - 27p: ill 
<br/><br/>Tocklai Occasional Scientific Papers No. 8  
<br/><br/><label>Dewey Class. No.: </label>631.4