GASPERSON, D.K. <br/><br/>
A hand book of ceylon soils with specific reference to the jaffna peninsula 
GASPERSON, D.K. 
 - [S.l]  [s.n]  1957 
 - 38 p. 
<br/><br/><label>Dewey Class. No.: </label>631.4  /  GAS