Reference:

Matti Pöllä, Timo Honkela, and Teuvo Kohonen. Bibliography of self-organizing map (SOM) papers: 2002-2005 addendum. Technical Report TKK-ICS-R23, Helsinki University of Technology, 2009.

Suggested BibTeX entry:

@techreport{sombib0205,
    author = {Matti P{\"{o}}ll{\"{a}} and Timo Honkela and Teuvo Kohonen},
    institution = {Helsinki University of Technology},
    number = {TKK-ICS-R23},
    publisher = {Helsinki University of Technology},
    series = {TKK Reports in Information and Computer Science},
    title = {Bibliography of self-organizing map ({SOM}) papers: 2002-2005 addendum},
    year = {2009},
}