@article{SzymanksiWilliams:SIAM:1976,
    Author = {Szymanski, Thomas G. and Williams, John H.},
    EPrint = {http://dx.doi.org/10.1137/0205019},
    File = {Noncanonical Extensions of Bottom-Up Parsing Techniques - Szymanski, Williams (0) (0) - a - a - z.pdf},
    Journal = {SIAM Journal on Computing},
    Number = {2},
    Pages = {231--250},
    Title = {Noncanonical Extensions of Bottom-Up Parsing Techniques},
    URL = {http://dx.doi.org/10.1137/0205019},
    Volume = {5},
    Year = {1976},
    bdsk-url-1 = {http://dx.doi.org/10.1137/0205019},
    date-added = {2016-01-13 12:06:19 +0000},
    date-modified = {2016-01-29 13:00:46 +0000},
    doi = {10.1137/0205019}
}

@article{SzymanksiWilliams:SIAM:1976, Author = {Szymanski, Thomas G. and Williams, John H.}, EPrint = {http://dx.doi.org/10.1137/0205019}, File = {Noncanonical Extensions of Bottom-Up Parsing Techniques - Szymanski, Williams (0) (0) - a - a - z.pdf}, Journal = {SIAM Journal on Computing}, Number = {2}, Pages = {231--250}, Title = {Noncanonical Extensions of Bottom-Up Parsing Techniques}, URL = {http://dx.doi.org/10.1137/0205019}, Volume = {5}, Year = {1976}, bdsk-url-1 = {http://dx.doi.org/10.1137/0205019}, date-added = {2016-01-13 12:06:19 +0000}, date-modified = {2016-01-29 13:00:46 +0000}, doi = {10.1137/0205019} }