TY  - DATA
AU  - Christian Freksa, Christopher Habel, Karl F. Wender
TI  - Spatial Cognition
SN  - 9783540693420
PY  - 1998///
PB  - Springer Berlin Heidelberg
KW  - Computer Science
UR  - https://doi.org/10.1007/3-540-69342-4
ER  -