@article{10_37236_7019,
     author = {Bruce W. Westbury},
     title = {Coboundary categories and local rules},
     journal = {The electronic journal of combinatorics},
     year = {2018},
     volume = {25},
     number = {4},
     doi = {10.37236/7019},
     zbl = {1398.05225},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/7019/}
}