M. Schaar, T. Buzug, and M. Rafecas. Deutsche Gesellschaft für Biomedizinische Technik Jahrestagung, Dresden, Sept. 10--13, 2017, 3, page 549-553. De Gruyter, (2017)
M. Hearst, and J. Pedersen. SIGIR '96: Proceedings of the 19th annual international ACM SIGIR conference on Research and development in information retrieval, page 76--84. New York, NY, USA, ACM, (1996)
M. Hearst, and J. Pedersen. SIGIR '96: Proceedings of the 19th annual international ACM SIGIR conference on Research and development in information retrieval, page 76--84. New York, NY, USA, ACM, (1996)