TY  - BOOK
AU  - Stahl, Saul
TI  - A gateway to modren geometry : the poincare half plane
SN  - 9780763753818
U1  - 516.9 STA 
PY  - 2008///
CY  - Sudbury
PB  - Jones and Bartlett Publishers
KW  - Heperbolic area
KW  - Euclidean versus hyperbolic geometry
KW  - Eucideam rigid motions
KW  - Euclidean geometry
KW  - Geometry
ER  -