OPEN University of Sri Lanka <br/><br/>
Physics: relativity block 2b 

 - Nugegoda  The Open University of Sri Lanka  1988 
 - 91 p. 
<br/><br/><label>ISBN: </label>139529 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity
<br/><br/><label>Dewey Class. No.: </label>530.11  / OPE