@article{10_4171_dm_881,
     author = {Ian Coley},
     title = {The theory of half derivators},
     journal = {Documenta mathematica},
     pages = {655--698},
     year = {2022},
     volume = {27},
     doi = {10.4171/dm/881},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/881/}
}