Martinez, Alberto A. <br/><br/>
Negative math  how mathematical rules can be positively bent 
by Alberto A. Martinez 
 - Oxford  Princeton University Press  2006 
 - x, 267p. 
<br/><br/> An easy introduction to the study of developing algebraic rules to describe relations among things 
<br/><br/><label>ISBN: </label>0 691 12309 8 
<br/><br/><label>Dewey Class. No.: </label>510  / P063