OPEN University of Sri Lanka <br/><br/>
PSU3140/PSE 5140: applied geophysics book-1 

 - Nugegoda  The Open University of Sri Lanka  0 
 - 210 p. 
<br/><br/><label>ISBN: </label>139540 
<br/><br/><label>Dewey Class. No.: </label>551  / OPE