TY  - DATA
AU  - Hallard T. Croft, Kenneth Falconer, Richard K. Guy
TI  - Unsolved Problems in Geometry
SN  - 9781461209638
PY  - 1991///
PB  - Springer New York
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-4612-0963-8
ER  -