TY  - BOOK
AU  - Farmer, DW
TI  - Groups and symmetry:a guide to discovering mathematics
SN  - 9788173711077
U1  - 512.54 
PY  - 1998///
CY  - India
PB  - UP
KW  - GLIDE REFLECTION
KW  - GROUP THEORY
KW  - WALLPATTERNS
N1  - Ref.sec
ER  -