TY  - BOOK
AU  - Greenberg Marvin Jay
TI  - Euclidean and non-euclidean geometries: Development and histories
U1  - B6M, L4 
PY  - 1974///
CY  - San Francisco 
PB  - Frensisco W H Freeman      
KW  -  Geometry-Non Euclidean
KW  - Geometry
ER  -