@article{10_37236_8584,
     author = {Rutger Campbell and Kevin Grace and James Oxley and Geoff Whittle},
     title = {On density-critical matroids},
     journal = {The electronic journal of combinatorics},
     year = {2020},
     volume = {27},
     number = {2},
     doi = {10.37236/8584},
     zbl = {1459.05035},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/8584/}
}