@article{Andrews_1987,
    doi = {10.1007/bf01007513},
    url = {https://doi.org/10.1007%2Fbf01007513},
    year = {1987},
    month = {may},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {47},
    number = {3-4},
    pages = {297--330},
    author = {George E. Andrews and R. J. Baxter},
    title = {Lattice gas generalization of the hard hexagon model. {III}.q-Trinomial coefficients},
    journal = {Journal of Statistical Physics}
}

@article{Andrews_1987, doi = {10.1007/bf01007513}, url = {https://doi.org/10.1007%2Fbf01007513}, year = {1987}, month = {may}, publisher = {Springer Science and Business Media {LLC}}, volume = {47}, number = {3-4}, pages = {297--330}, author = {George E. Andrews and R. J. Baxter}, title = {Lattice gas generalization of the hard hexagon model. {III}.q-Trinomial coefficients}, journal = {Journal of Statistical Physics} }