@article{10_4153_S0008414X21000134,
     author = {Agarwala, Susama and Fryer, Si\^an and Yeats, Karen},
     title = {Combinatorics of the geometry of {Wilson} loop diagrams {I:} equivalence classes via matroids and polytopes},
     journal = {Canadian journal of mathematics},
     pages = {1177--1208},
     year = {2022},
     volume = {74},
     number = {4},
     doi = {10.4153/S0008414X21000134},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X21000134/}
}