TY  - BOOK
AU  - Ungar, Abraham Albert
TI  - Barycentric calculus in Euclidean and Hyperbolic geometry: a comparative introduction
SN  - 9789814304931
U1  - 516.22 
PY  - 2010///
CY  - New Jersey
PB  - World Scientific
KW  - Geometry, Plane
ER  -