TY  - BOOK
AU  - Block,Seymour S
AU  - Tavares,Santiago Alves
TI  - Before Sudoku: the world of magic squares
SN  - 0195367901 (pbk. : alk. paper)
U1  - 793.74 22
PY  - 2009///
CY  - New York
PB  - Oxford University Press
KW  - Magic squares
KW  - Mathematical recreations
KW  - Sudoku
N1  - Includes bibliographical references (p. 225-232) and index
UR  - http://www.loc.gov/catdir/toc/ecip0817/2008018537.html
ER  -