TY  - BOOK
AU  - Hilbert,David
TI  - Geometry and the imagination
AV  - QA685 .H515
U1  - 516 
PY  - 1952///
CY  - New York
PB  - Chelsea Pub. Co.
KW  - Geometry, Non-Euclidean
N1  - Translation of Anschauliche Geometrie
ER  -