TY  - BOOK
AU  - Humphreys, James E
TI  - Reflection groups and coxeter groups
SN  - 0521436133
AV  - QA 171 Hum 
PY  - 1990///
CY  - Cambridge
PB  - The University Press
KW  - COXETER GROUPS
KW  - REFLECTION GROUPS
ER  -