@article{5221603,
    Author = {McNaughton, R. and Yamada, H.},
    ISSN = {0367-9950},
    Journal = {Electronic Computers, IRE Transactions on},
    Keywords = {Automata;Terminology},
    Month = {March},
    Number = {1},
    Pages = {39-47},
    Title = {Regular Expressions and State Graphs for Automata},
    Volume = {EC-9},
    Year = {1960},
    bdsk-url-1 = {http://dx.doi.org/10.1109/TEC.1960.5221603},
    date-added = {2015-02-26 12:39:28 +0000},
    date-modified = {2015-02-26 12:39:28 +0000},
    doi = {10.1109/TEC.1960.5221603}
}

@article{5221603, Author = {McNaughton, R. and Yamada, H.}, ISSN = {0367-9950}, Journal = {Electronic Computers, IRE Transactions on}, Keywords = {Automata;Terminology}, Month = {March}, Number = {1}, Pages = {39-47}, Title = {Regular Expressions and State Graphs for Automata}, Volume = {EC-9}, Year = {1960}, bdsk-url-1 = {http://dx.doi.org/10.1109/TEC.1960.5221603}, date-added = {2015-02-26 12:39:28 +0000}, date-modified = {2015-02-26 12:39:28 +0000}, doi = {10.1109/TEC.1960.5221603} }