TY  - BOOK
AU  - Keen, L..
AU  - Lakic, N..
TI  - Hyperbolic geometry from a  local view point
SN  - 0-521-68224-x
U1  - 515.98 KEE 
PY  - 2007///
CY  - Cambridge
PB  - CUP
N1  - Includes bibliographical references and index
ER  -