@article{Walker_1977,
    doi = {10.1145/355744.355749},
    url = {https://doi.org/10.1145%2F355744.355749},
    year = {1977},
    month = {sep},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {3},
    number = {3},
    pages = {253--256},
    author = {Alastair J. Walker},
    title = {An Efficient Method for Generating Discrete Random Variables with General Distributions},
    journal = {{ACM} Transactions on Mathematical Software}
}

@article{Walker_1977, doi = {10.1145/355744.355749}, url = {https://doi.org/10.1145%2F355744.355749}, year = {1977}, month = {sep}, publisher = {Association for Computing Machinery ({ACM})}, volume = {3}, number = {3}, pages = {253--256}, author = {Alastair J. Walker}, title = {An Efficient Method for Generating Discrete Random Variables with General Distributions}, journal = {{ACM} Transactions on Mathematical Software} }