@article{Earley_1970,
    doi = {10.1145/362007.362035},
    url = {https://doi.org/10.1145%2F362007.362035},
    year = {1970},
    month = {feb},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {13},
    number = {2},
    pages = {94--102},
    author = {Jay Earley},
    title = {An efficient context-free parsing algorithm},
    journal = {Communications of the {ACM}}
}

@article{Earley_1970, doi = {10.1145/362007.362035}, url = {https://doi.org/10.1145%2F362007.362035}, year = {1970}, month = {feb}, publisher = {Association for Computing Machinery ({ACM})}, volume = {13}, number = {2}, pages = {94--102}, author = {Jay Earley}, title = {An efficient context-free parsing algorithm}, journal = {Communications of the {ACM}} }