@article{CMUC_1977__18_1_a13,
     author = {Voss, Heinz-J\"urgen},
     title = {Graphs with prescribed maximal subgraphs and critical chromatic graphs},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {129--142},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1977},
     mrnumber = {0457294},
     zbl = {0352.05030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1977__18_1_a13/}
}