Revision history for entry Freksa, Christian; Barkowsky, Thomas; Klippel, Alexander (1999). "Spatial symbol systems and spatial cognition: A computer science perspective on perception-based symbol processing" [FRESSS]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2014-03-21T13:31:45updateSystem / admin update -
2014-01-20T06:22:20updateSystem / admin update -
2013-10-29T23:38:09updateSystem / admin update -