STEPHENSON, G. <br/><br/>
INTRODUCTION TO PARTIAL DIFFERENTIAL EQUATIONS FOR SCIENCE STUDIES 

 - 2nd Ed. 
 -  ELBS & Longman Group, London   1978 
<br/><br/><label>ISBN: </label>0 582 455790 
<br/><br/><label>Dewey Class. No.: </label>515.353  / STE/IN