TY  - BOOK
AU  - Escher,Maurits C.
AU  - Schattschneider,Doris
TI  - Visions of symmetry: notebooks, periodic drawings, and related work of M. C. Escher
SN  - 0716721260
U1  - 760/.092 
PY  - 1998///
CY  - New York
PB  - Freeman
ER  -