@article{3017569,
    title = "The W UMa-type stars program: First results, current status and perspectives",
    author = "Kreiner, J.M. and Zola, S. and Ogloza, W. and Pokrzywka, B. and Drozdz, M. and Stachowski, G. and Zakrzewski, B. and Niarchos, P.G. and Gazeas, K. and Rucinski, S.M. and Siwak, M. and Koziel, D. and Kjurkchieva, D. and Marchev, D.",
    journal = "Astrophysics and Space Science",
    year = "2006",
    volume = "304",
    number = "1-4",
    pages = "71-73",
    issn = "0004-640X, 1572-946X",
    doi = "10.1007/s10509-006-9077-0",
    abstract = "We present the results of a statistical investigation of the period-color and period-bolometric magnitude relations using a carefully selected sample of 120 contact systems with known physical parameters. © Springer Science+Business Media B.V. 2006."
}