@article{AM2_1976__14_136575,
     author = {T.D. Parsons},
     title = {Graphs from {Projective} {Planes.}},
     journal = {Aequationes mathematicae},
     pages = {167--190},
     publisher = {mathdoc},
     volume = {14},
     year = {1976},
     zbl = {0323.05116},
     url = {http://geodesic.mathdoc.fr/item/AM2_1976__14_136575/}
}