Geographic information science : 4th international conference, GIScience 2006, Munster, Germany, September 20-23, 2006 : proceedings 2026-02-15T23:11:14+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Raubal, Martin 1968 (Lecture notes in computer science,, 2006)