@article{Salomaa:Monadic:1988,
    Address = {Orlando, FL, USA},
    Author = {Salomaa, Kai},
    File = {Deterministic tree pushdown automata and monadic tree rewriting systems - Salomaa (0) (0) - a - a - h.pdf},
    ISSN = {0022-0000},
    Journal = {J. Comput. Syst. Sci.},
    Keywords = {tree-pushdown automata},
    Month = {December},
    Number = {3},
    Pages = {367--394},
    Publisher = {Academic Press, Inc.},
    Title = {Deterministic tree pushdown automata and monadic tree rewriting systems},
    URL = {http://dx.doi.org/10.1016/0022-0000(88)90014-1},
    Volume = {37},
    Year = {1988},
    acmid = {54610},
    bdsk-url-1 = {http://dx.doi.org/10.1016/0022-0000(88)90014-1},
    date-added = {2012-10-03 09:27:23 +0000},
    date-modified = {2014-05-29 12:09:29 +0000},
    issue_date = {Dec. 1988},
    numpages = {28},
    doi = {10.1016/0022-0000(88)90014-1}
}

@article{Salomaa:Monadic:1988, Address = {Orlando, FL, USA}, Author = {Salomaa, Kai}, File = {Deterministic tree pushdown automata and monadic tree rewriting systems - Salomaa (0) (0) - a - a - h.pdf}, ISSN = {0022-0000}, Journal = {J. Comput. Syst. Sci.}, Keywords = {tree-pushdown automata}, Month = {December}, Number = {3}, Pages = {367--394}, Publisher = {Academic Press, Inc.}, Title = {Deterministic tree pushdown automata and monadic tree rewriting systems}, URL = {http://dx.doi.org/10.1016/0022-0000(88)90014-1}, Volume = {37}, Year = {1988}, acmid = {54610}, bdsk-url-1 = {http://dx.doi.org/10.1016/0022-0000(88)90014-1}, date-added = {2012-10-03 09:27:23 +0000}, date-modified = {2014-05-29 12:09:29 +0000}, issue_date = {Dec. 1988}, numpages = {28}, doi = {10.1016/0022-0000(88)90014-1} }