Reference:

Timo Honkela. Comparisons of self-organized word category maps. In Proceedings of WSOM'97, Workshop on Self-Organizing Maps, pages 298–303. Helsinki University of Technology, Neural Networks Research Centre, Espoo, Finland, 1997.

Suggested BibTeX entry:

@incollection{honkela97comparison,
    address = {Espoo, Finland},
    author = {Timo Honkela},
    booktitle = {Proceedings of {WSOM}'97, Workshop on Self-Organizing Maps},
    pages = {298--303},
    publisher = {Helsinki University of Technology, Neural Networks Research Centre},
    title = {Comparisons of self-organized word category maps},
    year = {1997},
}