TY  - BOOK
AU  - Khan,Ali,Musarrat
AU  - Lekkerkerker,C.G.
TI  - Geometry: Elective mathematics 
T2  - North-Holland mathematical library
SN  - 0444701524
AV  - QA241.5 
U1  - 516 19
PY  - 1987///
CY  - Amsterdam, Oxford
PB  - North-Holland
KW  - Geometry
N1  - Previous ed. by C.G. Lekkerkerker, as volume VIII in the series Bibliotheca Mathematica, 1969
ER  -