@incollection{LautemannSchwentickTherien:95,
    Author = {Lautemann, Clemens and Schwentick, Thomas and Th{\'e}rien, Denis},
    BookTitle = {Computer Science Logic},
    Editor = {Pacholski, Leszek and Tiuryn, Jerzy},
    File = {Logics for context-free languages - Lautemann, Schwentick, Thérien (0) (0) - a - a - h.pdf},
    ISBN = {978-3-540-60017-6},
    Pages = {205-216},
    Publisher = {Springer Berlin Heidelberg},
    Series = {Lecture Notes in Computer Science},
    Title = {Logics for context-free languages},
    URL = {http://dx.doi.org/10.1007/BFb0022257},
    Volume = {933},
    Year = {1995},
    bdsk-url-1 = {http://dx.doi.org/10.1007/BFb0022257},
    date-added = {2013-12-11 13:56:08 +0000},
    date-modified = {2013-12-11 13:56:08 +0000},
    doi = {10.1007/BFb0022257}
}

@incollection{LautemannSchwentickTherien:95, Author = {Lautemann, Clemens and Schwentick, Thomas and Th{\'e}rien, Denis}, BookTitle = {Computer Science Logic}, Editor = {Pacholski, Leszek and Tiuryn, Jerzy}, File = {Logics for context-free languages - Lautemann, Schwentick, Thérien (0) (0) - a - a - h.pdf}, ISBN = {978-3-540-60017-6}, Pages = {205-216}, Publisher = {Springer Berlin Heidelberg}, Series = {Lecture Notes in Computer Science}, Title = {Logics for context-free languages}, URL = {http://dx.doi.org/10.1007/BFb0022257}, Volume = {933}, Year = {1995}, bdsk-url-1 = {http://dx.doi.org/10.1007/BFb0022257}, date-added = {2013-12-11 13:56:08 +0000}, date-modified = {2013-12-11 13:56:08 +0000}, doi = {10.1007/BFb0022257} }