@article{CMUC_1978_19_3_a9,
     author = {Bentley, H. L. and Herrlich, Horst},
     title = {Completion as reflection},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {541--568},
     year = {1978},
     volume = {19},
     number = {3},
     mrnumber = {508960},
     zbl = {0407.54020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1978_19_3_a9/}
}