Mathematical gift : 
Ueno, Kenji, 
 - Providence, R.I. :  American Mathematical Society,  2003 
 - v. <1-3> :  ill. ;  26 cm. 
 - Mathematical world,  v. 19-20, 23 .
<br/><br/> Vol. 3 by Koji Shiga, Toshikazu Sunada. 
<br/><br/><label>ISBN: </label>0821832832 (v. 2 : acid-free paper)