Colman, J.A. <br/><br/>
සාපේක්ෂතාවාදය 
= sapekshathawadaya 


 - Colombo:  Godage,  1987. 
 - 119p.;  21cm 
<br/><br/><label>ISBN: </label>955-20-0065-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530.11  / COL