TY  - BOOK
AU  - Croft,Hallard T.
AU  - Guy,Richard K.
AU  - Falconer,K.J.
TI  - Unsolved problems in geometry
T2  - Unsolved problems in intuitive mathematics
SN  - 3540975063 
PY  - 1991///
CY  - New York
PB  - Springer-Verlag
KW  - Geometry
ER  -