@article{10_4153_CMB_1989_035_0,
     author = {Barr, Michael},
     title = {Embedding of {Accessible} {Regular} {Categories}},
     journal = {Canadian mathematical bulletin},
     pages = {241--247},
     year = {1989},
     volume = {32},
     number = {2},
     doi = {10.4153/CMB-1989-035-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-035-0/}
}