TY  - BOOK
AU  - Carslaw,Horatio Scott
TI  - The elements of Non-Euclidean plane geometry and trigonometry/ 
U1  - 513.8 
PY  - 1916///
CY  - London: 
PB  - Longman, Green and Co.  , 
KW  - Geometry, Non-Euclidean
KW  - Trigonometry
KW  - Geometry, Plane
ER  -