M. Mikalsen, M. Næsje, E. Reime, and A. Solem. XP Workshops, volume 364 of Lecture Notes in Business Information Processing, page 55-63. Springer, (2019)
N. Overgaard, and J. Solem. Progress in Computer Vision and Image Analysis, volume 73 of Series in Machine Perception and Artificial Intelligence, WorldScientific, (2009)