@article{DeRemer_1982,
    doi = {10.1145/69622.357187},
    url = {https://doi.org/10.1145%2F69622.357187},
    year = {1982},
    month = {oct},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {4},
    number = {4},
    pages = {615--649},
    author = {Frank DeRemer and Thomas Pennello},
    title = {Efficient Computation of {LALR}(1) Look-Ahead Sets},
    journal = {{ACM} Transactions on Programming Languages and Systems}
}

@article{DeRemer_1982, doi = {10.1145/69622.357187}, url = {https://doi.org/10.1145%2F69622.357187}, year = {1982}, month = {oct}, publisher = {Association for Computing Machinery ({ACM})}, volume = {4}, number = {4}, pages = {615--649}, author = {Frank DeRemer and Thomas Pennello}, title = {Efficient Computation of {LALR}(1) Look-Ahead Sets}, journal = {{ACM} Transactions on Programming Languages and Systems} }