Reference:

Matti Pöllä, Timo Honkela, and Xiao-Zhi Gao. Biologically inspired clustering: Comparing the neural and immune paradigms. In Proceedings of NICSO 2007 Workshop on Nature Inspired Cooperative Strategies for Optimization, volume 129 of Studies in Computational Intelligence (SCI), pages 179–188, Acireale, Italy, November 2008. Springer-Verlag.

Suggested BibTeX entry:

@inproceedings{poll07nicso,
    address = {Acireale, Italy},
    author = {Matti P{\"o}ll{\"a} and Timo Honkela and Xiao-Zhi Gao},
    booktitle = {Proceedings of {NICSO 2007} Workshop on Nature Inspired Cooperative Strategies for Optimization},
    month = {November},
    pages = {179--188},
    publisher = {Springer-Verlag},
    series = {Studies in Computational Intelligence (SCI)},
    title = {Biologically Inspired Clustering: Comparing the Neural and Immune Paradigms},
    volume = {129},
    year = {2008},
}