hatherton, T. <br/><br/>
Gravity map of Sri lanka / 
T.hatherton, D.B.pattiaratchi and V.V.C.ranasinge 
 - Colombo  Geological survey department  1975 
 - 38 p. 
 - professional paper no.3 .
<br/><br/><label>Dewey Class. No.: </label>910.11  / HAT