@article{Courcelle197825,
    Author = {Courcelle, Bruno},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Number = {1},
    Pages = {25 - 55},
    Title = {A representation of trees by languages {II}},
    URL = {http://www.sciencedirect.com/science/article/pii/0304397578900397},
    Volume = {7},
    Year = {1978},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397578900397},
    bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(78)90039-7},
    date-added = {2013-12-12 09:34:23 +0000},
    date-modified = {2013-12-12 09:35:07 +0000},
    doi = {10.1016/0304-3975(78)90039-7}
}

@article{Courcelle197825, Author = {Courcelle, Bruno}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Number = {1}, Pages = {25 - 55}, Title = {A representation of trees by languages {II}}, URL = {http://www.sciencedirect.com/science/article/pii/0304397578900397}, Volume = {7}, Year = {1978}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397578900397}, bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(78)90039-7}, date-added = {2013-12-12 09:34:23 +0000}, date-modified = {2013-12-12 09:35:07 +0000}, doi = {10.1016/0304-3975(78)90039-7} }