K. O. Asiama
Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands
R. M. Bennett
Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands
J. A. Zevenbergen
Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands