TY  - BOOK
AU  - Yoglom, .M
TI  - Simple non-euclidean geometry and its physical basis: an elementary account of..
T2  - Heidelberg science library
SN  - 0387903321
U1  - 516.9 
PY  - 1979///
CY  - New York
PB  - Springer-Verlag
KW  - Geometry
KW  - non-euclidean
KW  - Realativity
ER  -