@article{DMGT_2001_21_2_a11,
     author = {Frick, Marietjie and Bullock, Frank},
     title = {Detour chromatic numbers},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {283--291},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2001_21_2_a11/}
}