TY  - BOOK
AU  - Greenberg,Marvin Jay
TI  - Euclidean and Non-Euclidean Geometries: development and history 
SN  - 0716711036
AV  - QA445 .G84
PY  - 1980///
CY  - New York
PB  - W. H. Freeman and Co.
KW  - Geometry, Non-Euclidean-history
KW  - Geometry
ER  -