@article{TAC_2020_35_a15,
     author = {Sina Hazratpour and Steven Vickers},
     title = {Fibrations of {AU-contexts} beget fibrations of toposes},
     journal = {Theory and applications of categories},
     pages = {562--593},
     publisher = {mathdoc},
     volume = {35},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2020_35_a15/}
}