@article{Behrmann:2006:LUB:1165374.1165376,
    Address = {Berlin, Heidelberg},
    Author = {Behrmann, Gerd and Bouyer, Patricia and Larsen, Kim G. and Pel{\' a}nek, Radek},
    ISSN = {1433-2779},
    Journal = {Int. J. Softw. Tools Technol. Transf.},
    Keywords = {Abstraction, Extrapolation, Timed automata, Verification},
    Month = {June},
    Number = {3},
    Pages = {204--215},
    Publisher = {Springer-Verlag},
    Title = {Lower and Upper Bounds in Zone-based Abstractions of Timed Automata},
    URL = {http://dx.doi.org/10.1007/s10009-005-0190-0},
    Volume = {8},
    Year = {2006},
    acmid = {1165376},
    bdsk-url-1 = {http://dx.doi.org/10.1007/s10009-005-0190-0},
    date-added = {2015-07-02 11:48:27 +0000},
    date-modified = {2015-07-02 11:48:27 +0000},
    issue_date = {June 2006},
    numpages = {12},
    doi = {10.1007/s10009-005-0190-0}
}

@article{Behrmann:2006:LUB:1165374.1165376, Address = {Berlin, Heidelberg}, Author = {Behrmann, Gerd and Bouyer, Patricia and Larsen, Kim G. and Pel{\' a}nek, Radek}, ISSN = {1433-2779}, Journal = {Int. J. Softw. Tools Technol. Transf.}, Keywords = {Abstraction, Extrapolation, Timed automata, Verification}, Month = {June}, Number = {3}, Pages = {204--215}, Publisher = {Springer-Verlag}, Title = {Lower and Upper Bounds in Zone-based Abstractions of Timed Automata}, URL = {http://dx.doi.org/10.1007/s10009-005-0190-0}, Volume = {8}, Year = {2006}, acmid = {1165376}, bdsk-url-1 = {http://dx.doi.org/10.1007/s10009-005-0190-0}, date-added = {2015-07-02 11:48:27 +0000}, date-modified = {2015-07-02 11:48:27 +0000}, issue_date = {June 2006}, numpages = {12}, doi = {10.1007/s10009-005-0190-0} }