Ron van Lammeren Martin Goossen Arend Ligtenberg Interactive location-based services: problems and perspectives on the example of a cultural site. 105-119 2010 4 J. Locat. Based Serv. 2 https://doi.org/10.1080/17489725.2010.506664 https://www.wikidata.org/entity/Q58523271 db/journals/jlbs/jlbs4.html#LammerenGL10