Waltham, David <br/><br/>
Mathematics:  A Simple Tool for Geologists / 
David Waltham. 
 - London ;  Glasgow, a.o. :  Chapman & Hall,  1995. 
 - 189 p. 
 - 515.13 .
<br/><br/>Index: p. 187-189 
<br/><br/><label>ISBN: </label>0-412-49210-5 
<br/><br/><label>Dewey Class. No.: </label>515.13