@article{Austinat200515,
    Author = {Austinat, Holger and Diekert, Volker and Hertrampf, Ulrich and Petersen, Holger},
    File = {Regular frequency computations - Austinat, Diekert, Hertrampf, Petersen (0) (0) - a - a - f.pdf},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Keywords = {finite automata and frequency computation},
    Note = {<ce:title>Insightful Theory</ce:title>},
    Number = {1},
    Pages = {15 - 21},
    Title = {Regular frequency computations},
    URL = {http://www.sciencedirect.com/science/article/pii/S0304397504006036},
    Volume = {330},
    Year = {2005},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397504006036},
    bdsk-url-2 = {http://dx.doi.org/10.1016/j.tcs.2004.09.007},
    date-added = {2012-12-10 15:42:27 +0000},
    date-modified = {2012-12-10 15:42:53 +0000},
    doi = {10.1016/j.tcs.2004.09.007}
}

@article{Austinat200515, Author = {Austinat, Holger and Diekert, Volker and Hertrampf, Ulrich and Petersen, Holger}, File = {Regular frequency computations - Austinat, Diekert, Hertrampf, Petersen (0) (0) - a - a - f.pdf}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Keywords = {finite automata and frequency computation}, Note = {Insightful Theory}, Number = {1}, Pages = {15 - 21}, Title = {Regular frequency computations}, URL = {http://www.sciencedirect.com/science/article/pii/S0304397504006036}, Volume = {330}, Year = {2005}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397504006036}, bdsk-url-2 = {http://dx.doi.org/10.1016/j.tcs.2004.09.007}, date-added = {2012-12-10 15:42:27 +0000}, date-modified = {2012-12-10 15:42:53 +0000}, doi = {10.1016/j.tcs.2004.09.007} }