Hatherton, T. Pattiaratchi, D.B. Ranasinghe, V.V.C. <br/><br/>
Gravity map of Sri Lanka 1:1 000 000 

 - Geological Survey Department  Colombo  1975 
 - 38p 
 - Gravitation Sri Lanka 
 - Professional Paper  No.3 .
<br/><br/> Appendix by Evans, R.B. 
<br/><br/><label>Nat. Bib. No.: </label>1333 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>528.27(548.7)HAT 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveying
<br/><br/><label>Universal Decimal Class. No.: </label>528.27(548.7)  1