@article{Raz_1999,
    doi = {10.1007/s004930050062},
    url = {https://doi.org/10.1007%2Fs004930050062},
    year = {1999},
    month = {mar},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {19},
    number = {3},
    pages = {403--435},
    author = {Ran Raz and Pierre McKenzie},
    title = {Separation of the Monotone {NC} Hierarchy},
    journal = {Combinatorica}
}

@article{Raz_1999, doi = {10.1007/s004930050062}, url = {https://doi.org/10.1007%2Fs004930050062}, year = {1999}, month = {mar}, publisher = {Springer Science and Business Media {LLC}}, volume = {19}, number = {3}, pages = {403--435}, author = {Ran Raz and Pierre McKenzie}, title = {Separation of the Monotone {NC} Hierarchy}, journal = {Combinatorica} }