@article{
    Kallio11PE,
    author = {Kallio, Aleksi and Puolam\"aki, Kai and Fortelius, Mikael and Mannila, Heikki},
    responsibleauthor = {Puolam\"aki, Kai and Kallio, Aleksi and Mannila, Heikki},
    language = "eng",
    title = "Correlations and Co-Occurrences of Taxa: the Role of Temporal, Geographic and Taxonomic Restrictions",
    url = "http://palaeo-electronica.org/2011_1/222/index.html",
    journal = "Palaeontologia Electronica",
    number = "1",
    volume = "14",
    unitcode = "T306=99,T312=1",
    flags = "ALGODAN HIIT public",
    il = "no",
    year = "2011",
    pdf = "kallio-puolamaki-fortelius-mannila-2011.pdf",
    pages = "4A"
}