Welle Donker, Frederika, Bastiaan van Loenen, and Jaap Zevenbergen. 2016. “Geo Shared Licenses: A Base for Better Access to Public Sector Geo-Information for Value Added Resellers in Europe”. A+BE | Architecture and the Built Environment 6 (21):97-120. https://journals.open.tudelft.nl/abe/article/view/6659.