TY  - BOOK
AU  - Armstrong M A
TI  - Groups and symmetry
SN  - 978-1-4419-3085-9
U1  - 512.2 AR-G 
PY  - 1988///
CY  - New York
PB  - Springer-Verlag
KW  - Groups and symmetry
N1  - Undergraduate texts in mathematics
ER  -