@article{Frieze_2011,
    doi = {10.1002/jgt.20591},
    url = {https://doi.org/10.1002%2Fjgt.20591},
    year = {2011},
    month = {feb},
    publisher = {Wiley},
    volume = {69},
    number = {4},
    pages = {383--402},
    author = {Alan Frieze and Michael Krivelevich and Po-Shen Loh},
    title = {Variations on cops and robbers},
    journal = {Journal of Graph Theory}
}

@article{Frieze_2011, doi = {10.1002/jgt.20591}, url = {https://doi.org/10.1002%2Fjgt.20591}, year = {2011}, month = {feb}, publisher = {Wiley}, volume = {69}, number = {4}, pages = {383--402}, author = {Alan Frieze and Michael Krivelevich and Po-Shen Loh}, title = {Variations on cops and robbers}, journal = {Journal of Graph Theory} }