Nelsen, R.B.  . <br/><br/>
Proofs without workds II more exercises in visual thinking /  
by R.B. Nelsen. 
 - Washington :   Mathematical Association of America ,   2000 
 - 130p ;  
<br/><br/><label>ISBN: </label>0-88385-721-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B  / P0