Reference:

Krista Lagus. Text mining with the WEBSOM. Acta Polytechnica Scandinavica, Mathematics and Computing Series No. 110, December 2000. D.Sc(Tech) Thesis, Helsinki University of Technology, Finland.

Suggested BibTeX entry:

@article{Lagus00.thesis,
    author = {Krista Lagus},
    journal = {Acta Polytechnica Scandinavica, Mathematics and Computing Series No.~110},
    month = {December},
    note = {D.Sc(Tech) Thesis, Helsinki University of Technology, Finland},
    title = {Text Mining with the {WEBSOM}},
    year = {2000},
}