@article{DMGT_2004_24_1_a8,
     author = {Exoo, Geoffrey},
     title = {Some applications of pq-groups in graph theory},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {109--114},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2004_24_1_a8/}
}