TY  - BOOK
AU  - Sommerville,Duncan M.Y.
ED  - Asutosh Collection (National Library, India)
TI  - Biblography of non-euclidean geography: including the theory of parallels, the foundations of geometry and space of n dimensions 
U1  - 513.8016 
PY  - 1911///
CY  - London
PB  - Harrison
KW  - Geometry, Non-Euclidean
ER  -