Sweeping a terrain by collaborative aerial vehicles. - Alon Efrat; Mikko Nikkilä; Valentin Polishchuk (SIGSPATIAL/GIS, 2013)

Visual Analytics for Spatial Clustering: Using a Heuristic Approach for Guided Exploration. - Eli Packer; Peter Bak; Mikko Nikkilä; Valentin Polishchuk; Harold J. Ship (IEEE Trans. Vis. Comput. Graph., 2013)