@techreport{
    Czeizler09techrep2,
    author = "Czeizler, Elena and Czeizler, Eugen and Kari, Lila and Seki, Shinnosuke",
    year = "2009",
    title = "An extension of Lyndon-Schutzenberger's result to pseudoperiodic words",
    number = "TR-722",
    institution = "University of Western Ontario",
    address = "London, Canada"
}