@inproceedings{Fischer:1968:GMP:1439279.1440085,
    Address = {Washington, DC, USA},
    Author = {Fischer, Michael J.},
    BookTitle = {Proceedings of the 9th Annual Symposium on Switching and Automata Theory (swat 1968)},
    File = {Grammars with macro-like productions - Fischer (0) (0) - a - a - g.pdf},
    Pages = {131--142},
    Publisher = {IEEE Computer Society},
    Series = {SWAT '68},
    Title = {Grammars with macro-like productions},
    URL = {http://dx.doi.org/10.1109/SWAT.1968.12},
    Year = {1968},
    acmid = {1440085},
    bdsk-url-1 = {http://dx.doi.org/10.1109/SWAT.1968.12},
    date-added = {2013-07-15 10:05:32 +0000},
    date-modified = {2013-07-15 10:05:32 +0000},
    numpages = {12},
    doi = {10.1109/SWAT.1968.12}
}

@inproceedings{Fischer:1968:GMP:1439279.1440085, Address = {Washington, DC, USA}, Author = {Fischer, Michael J.}, BookTitle = {Proceedings of the 9th Annual Symposium on Switching and Automata Theory (swat 1968)}, File = {Grammars with macro-like productions - Fischer (0) (0) - a - a - g.pdf}, Pages = {131--142}, Publisher = {IEEE Computer Society}, Series = {SWAT '68}, Title = {Grammars with macro-like productions}, URL = {http://dx.doi.org/10.1109/SWAT.1968.12}, Year = {1968}, acmid = {1440085}, bdsk-url-1 = {http://dx.doi.org/10.1109/SWAT.1968.12}, date-added = {2013-07-15 10:05:32 +0000}, date-modified = {2013-07-15 10:05:32 +0000}, numpages = {12}, doi = {10.1109/SWAT.1968.12} }