@article{TAC_2000_7_a3,
     author = {Carles Casacuberta and Armin Frei},
     title = {On saturated classes of morphisms},
     journal = {Theory and applications of categories},
     pages = {43--46},
     year = {2000},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2000_7_a3/}
}