T. J. Misa, Organizing the History of Computing, History of Nordic Computing 2. IFIP AICT 303, pp.1-12, 2009.
DOI : 10.1080/00379818909514348

. P. Lundin, Documenting the Use of Computers in Swedish Society between 1950 and 1980: Final Report on the Project " From Computing Machines to IT Working Papers from the Division of History of Science and Technology, 2009.

. T. Kohonen, Self-Organizing Maps. Third edition, 2001.

T. Honkela, S. Kaski, K. Lagus, and T. Kohonen, WEBSOM ? Self-organizing maps of document collections Workshop on self-organizing maps, Proceedings of WSOM'97, pp.310-315, 1997.

T. Kohonen, Self-Organization and Associative Memory, 1984.
DOI : 10.1007/978-3-662-00784-6

C. Von-der-malsburg, Self-organization of orientation sensitive cells in the striate cortex, Kybernetik, vol.28, issue.2, pp.85-100, 1973.
DOI : 10.1007/BF00288907

S. Amari, Topographic organization of nerve fields, Bulletin of Mathematical Biology, vol.37, issue.3, pp.339-364, 1980.
DOI : 10.1113/jphysiol.1965.sp007558

T. Kohonen, Self-organized formation of topologically correct feature maps, Biological Cybernetics, vol.13, issue.1, pp.59-69, 1982.
DOI : 10.1007/BF00337288

S. Kaski, J. Kangas, and T. Kohonen, Bibliography of self-organizing map (SOM) papers: 1981-1997, Neural Computing Surveys, vol.1, pp.102-350, 1998.

M. Oja, S. Kaski, and T. Kohonen, Bibliography of Self-Organizing Map (SOM) Papers: 1998?, Addendum. Neural Computing Surveys, vol.3, pp.1-156, 2001.

M. Pöllä, T. Honkela, and T. Kohonen, Bibliography of Self-Organizing Map (SOM) Papers: 2002?2005 Addendum, 2009.

K. Lagus, S. Kaski, and T. Kohonen, Mining massive document collections by the WEBSOM method, Information Sciences, vol.163, issue.1-3, pp.1-3, 2004.
DOI : 10.1016/j.ins.2003.03.017

N. Janasik, T. Honkela, and H. Bruun, Text Mining in Qualitative Research, Organizational Research Methods, vol.19, issue.3, pp.436-460, 2009.
DOI : 10.1016/S0019-9958(65)90241-X

B. Castellani, J. Castellani, and S. L. Spray, Grounded Neural Networking: Modeling Complex Quantitative Data, Symbolic Interaction, vol.26, issue.4, pp.577-589, 2003.
DOI : 10.1525/si.1998.21.4.441

M. S. Paukkeri, I. T. Nieminen, M. Pöllä, and T. Honkela, A Language-Independent Approach to Keyphrase Extraction and Evaluation, 22nd International Conference on Computational Linguistics, Posters Proceedings, pp.18-22, 2008.

F. Damerau, Generating and evaluating domain-oriented multi-word terms from texts, Information Processing & Management, vol.29, issue.4, pp.433-447, 1993.
DOI : 10.1016/0306-4573(93)90039-G