James F. Geelen, James G. Oxley, Dirk Vertigan, Geoff Whittle. A short proof of non-GF(5)-representability of matroids. Journal of Combinatorial Theory, Series A, 91(1):105-121, 2004. [doi]
@article{GeelenOVW04,
title = {A short proof of non-GF(5)-representability of matroids},
author = {James F. Geelen and James G. Oxley and Dirk Vertigan and Geoff Whittle},
year = {2004},
doi = {10.1016/j.jctb.2003.11.001},
url = {http://dx.doi.org/10.1016/j.jctb.2003.11.001},
researchr = {https://researchr.org/publication/GeelenOVW04},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {91},
number = {1},
pages = {105-121},
}