@inproceedings{
    SiSc06,
    editor = "Wiedermann, Ji{\v{r}}{\'{i}} and Tel, Gerard and Pokorn{\'{y}}, Jarslav and Bielikov{\'{a}}, M{\'{a}}ria and {\v{S}}tuller, J{\'{u}}lius",
    author = "{\v{S}}{\'{\i}}ma, Ji{\v{r}}{\'{\i}} and Schaeffer, Satu Elisa",
    publisher = "Springer-Verlag GmbH",
    title = "On the {NP}-Completeness of Some Graph Cluster Measures",
    series = "Lecture Notes in Computer Science",
    booktitle = "Proceedings of the Thirty-second International Conference on Current Trends in Theory and Practice of Computer Science (Sofsem 06)",
    address = "Berlin$\slash$Heidelberg, Germany",
    volume = "3831",
    year = "2006",
    pages = "530--537"
}