@incollection{BjorklundMartens:2008,
    Author = {Bj{\"o}rklund, Henrik and Martens, Wim},
    BookTitle = {Automata, Languages and Programming},
    Editor = {Aceto, Luca and Damg{\aa}rd, Ivan and Goldberg, Leslie Ann and Halld{\'o}rsson, Magn{\'u}s M. and Ing{\'o}lfsd{\'o}ttir, Anna and Walukiewicz, Igor},
    File = {The Tractability Frontier for NFA Minimization - Björklund, Martens (0) (0) - a - a - b.pdf},
    ISBN = {978-3-540-70582-6},
    Language = {English},
    Pages = {27-38},
    Publisher = {Springer Berlin Heidelberg},
    Series = {Lecture Notes in Computer Science},
    Title = {The Tractability Frontier for NFA Minimization},
    URL = {http://dx.doi.org/10.1007/978-3-540-70583-3\_3},
    Volume = {5126},
    Year = {2008},
    bdsk-url-1 = {http://dx.doi.org/10.1007/978-3-540-70583-3\_3},
    date-added = {2015-01-22 12:33:19 +0000},
    date-modified = {2015-01-22 12:33:19 +0000},
    doi = {10.1007/978-3-540-70583-3_3}
}

@incollection{BjorklundMartens:2008, Author = {Bj{\"o}rklund, Henrik and Martens, Wim}, BookTitle = {Automata, Languages and Programming}, Editor = {Aceto, Luca and Damg{\aa}rd, Ivan and Goldberg, Leslie Ann and Halld{\'o}rsson, Magn{\'u}s M. and Ing{\'o}lfsd{\'o}ttir, Anna and Walukiewicz, Igor}, File = {The Tractability Frontier for NFA Minimization - Björklund, Martens (0) (0) - a - a - b.pdf}, ISBN = {978-3-540-70582-6}, Language = {English}, Pages = {27-38}, Publisher = {Springer Berlin Heidelberg}, Series = {Lecture Notes in Computer Science}, Title = {The Tractability Frontier for NFA Minimization}, URL = {http://dx.doi.org/10.1007/978-3-540-70583-3_3}, Volume = {5126}, Year = {2008}, bdsk-url-1 = {http://dx.doi.org/10.1007/978-3-540-70583-3_3}, date-added = {2015-01-22 12:33:19 +0000}, date-modified = {2015-01-22 12:33:19 +0000}, doi = {10.1007/978-3-540-70583-3_3} }