Patwardhan M.A <br/><br/>
Dynamic earth system 
A.M. Patwardhan 
 - 2nd ed. 
 - New Delhi  PHI Learning  2010 
 - xviii, 422 p. 
<br/><br/><label>ISBN: </label>9788120340527 
<br/><br/><label>Dewey Class. No.: </label>550  / PAT