Enhancing 3D City Models with Heterogeneous Spatial Information: Towards 3D Land Information Systems. - Lutz Ross; Jannes Bolling; Jürgen Döllner; Birgit Kleinschmit (AGILE Conf., 2009)

Using glTF for streaming CityGML 3D city models. - Arne Schilling; Jannes Bolling; Claus Nagel (Web3D, 2016)