TY  - BOOK
AU  - Grunbaum, Branko.
AU  - Shephard, G.C.
TI  - Tilings and patterns
T2  - A Series of book in the mathematical Sciences
SN  - 0716711931
U1  - 511.6 
PY  - 1997///
CY  - New York
PB  - W.H.Freeman & Co.
ER  -