@article{Ding_1996,
    doi = {10.1006/jctb.1996.0026},
    url = {https://doi.org/10.1006%2Fjctb.1996.0026},
    year = {1996},
    month = {mar},
    publisher = {Elsevier {BV}},
    volume = {66},
    number = {2},
    pages = {334--360},
    author = {Guoli Ding and Bogdan Oporowski and James Oxley and Dirk Vertigan},
    title = {Unavoidable Minors of Large 3-Connected Binary Matroids},
    journal = {Journal of Combinatorial Theory, Series B}
}

@article{Ding_1996, doi = {10.1006/jctb.1996.0026}, url = {https://doi.org/10.1006%2Fjctb.1996.0026}, year = {1996}, month = {mar}, publisher = {Elsevier {BV}}, volume = {66}, number = {2}, pages = {334--360}, author = {Guoli Ding and Bogdan Oporowski and James Oxley and Dirk Vertigan}, title = {Unavoidable Minors of Large 3-Connected Binary Matroids}, journal = {Journal of Combinatorial Theory, Series B} }