@article{Irons_1961,
    doi = {10.1145/366062.366083},
    url = {https://doi.org/10.1145%2F366062.366083},
    year = {1961},
    month = {jan},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {4},
    number = {1},
    pages = {51--55},
    author = {Edgar T. Irons},
    title = {A syntax directed compiler for {ALGOL} 60},
    journal = {Communications of the {ACM}}
}

@article{Irons_1961, doi = {10.1145/366062.366083}, url = {https://doi.org/10.1145%2F366062.366083}, year = {1961}, month = {jan}, publisher = {Association for Computing Machinery ({ACM})}, volume = {4}, number = {1}, pages = {51--55}, author = {Edgar T. Irons}, title = {A syntax directed compiler for {ALGOL} 60}, journal = {Communications of the {ACM}} }