@unpublished{TUW-119227, author = {Uhlirz, Susanne}, title = {LoL@ - Kartographische Beitr{\"a}ge zu einem Location Based Service}, year = {2001}, note = {talk: 4. Seminar ''GIS im Internet/Intranet'' der AGIS, M{\"u}nchen; 2001-05-21 -- 2001-05-23} }