@article{Burks:1957:LAI:320881.320885,
    Address = {New York, NY, USA},
    Author = {Burks, Arthur W. and Wang, Hao},
    ISSN = {0004-5411},
    Journal = {J. ACM},
    Keywords = {no pdf and finite automata and automata theory},
    Month = {July},
    Number = {3},
    Pages = {279--297},
    Publisher = {ACM},
    Title = {The Logic of Automata\---Part II},
    URL = {http://doi.acm.org/10.1145/320881.320885},
    Volume = {4},
    Year = {1957},
    acmid = {320885},
    bdsk-url-1 = {http://doi.acm.org/10.1145/320881.320885},
    bdsk-url-2 = {http://dx.doi.org/10.1145/320881.320885},
    date-added = {2012-12-29 13:22:58 +0000},
    date-modified = {2012-12-29 13:50:03 +0000},
    issue_date = {July 1957},
    numpages = {19},
    doi = {10.1145/320881.320885}
}

@article{Burks:1957:LAI:320881.320885, Address = {New York, NY, USA}, Author = {Burks, Arthur W. and Wang, Hao}, ISSN = {0004-5411}, Journal = {J. ACM}, Keywords = {no pdf and finite automata and automata theory}, Month = {July}, Number = {3}, Pages = {279--297}, Publisher = {ACM}, Title = {The Logic of Automata---Part II}, URL = {http://doi.acm.org/10.1145/320881.320885}, Volume = {4}, Year = {1957}, acmid = {320885}, bdsk-url-1 = {http://doi.acm.org/10.1145/320881.320885}, bdsk-url-2 = {http://dx.doi.org/10.1145/320881.320885}, date-added = {2012-12-29 13:22:58 +0000}, date-modified = {2012-12-29 13:50:03 +0000}, issue_date = {July 1957}, numpages = {19}, doi = {10.1145/320881.320885} }