@article{Clote198699,
    Author = {Clote, P.},
    File = {On the finite containment problem for Petri nets - Clote (0) (0) - a - a - e.pdf},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Keywords = {Ramsey's Theorem},
    Number = {0},
    Pages = {99 - 105},
    Title = {On the finite containment problem for Petri nets},
    URL = {http://www.sciencedirect.com/science/article/pii/0304397586901696},
    Volume = {43},
    Year = {1986},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397586901696},
    bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(86)90169-6},
    date-added = {2013-11-04 13:05:48 +0000},
    date-modified = {2013-11-04 13:05:48 +0000},
    doi = {10.1016/0304-3975(86)90169-6}
}

@article{Clote198699, Author = {Clote, P.}, File = {On the finite containment problem for Petri nets - Clote (0) (0) - a - a - e.pdf}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Keywords = {Ramsey's Theorem}, Number = {0}, Pages = {99 - 105}, Title = {On the finite containment problem for Petri nets}, URL = {http://www.sciencedirect.com/science/article/pii/0304397586901696}, Volume = {43}, Year = {1986}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397586901696}, bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(86)90169-6}, date-added = {2013-11-04 13:05:48 +0000}, date-modified = {2013-11-04 13:05:48 +0000}, doi = {10.1016/0304-3975(86)90169-6} }