@incollection{Lang_1974,
    doi = {10.1007/978-3-662-21545-6_18},
    url = {https://doi.org/10.1007%2F978-3-662-21545-6_18},
    year = {1974},
    publisher = {Springer Berlin Heidelberg},
    pages = {255--269},
    author = {Bernard Lang},
    title = {Deterministic Techniques for Efficient Non-Deterministic Parsers},
    booktitle = {Automata, Languages and Programming}
}

@incollection{Lang_1974, doi = {10.1007/978-3-662-21545-6_18}, url = {https://doi.org/10.1007%2F978-3-662-21545-6_18}, year = {1974}, publisher = {Springer Berlin Heidelberg}, pages = {255--269}, author = {Bernard Lang}, title = {Deterministic Techniques for Efficient Non-Deterministic Parsers}, booktitle = {Automata, Languages and Programming} }