TY  - BOOK
AU  - Pook, L. P
TI  - Flexagons inside out
SN  - 9780521819701
SN  - 200327386
U1  - 516.156 POO 
PY  - 2003///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Mathematical recreations
KW  - Polyhedra - Models
N1  - Includes bibliographical references (p. 164-166) and indexes
ER  -