@article{01919519,
title = {Direct enumeration of chiral and achiral graphs of a polyheterosubstituted monocyclic cycloalkane.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {5},
year = {2002},
zbl = {1012.05089},
language = {en},
url = {http://dml.mathdoc.fr/item/01919519}
}
Nemba, Robert M.; Emadak, Alphonse. Direct enumeration of chiral and achiral graphs of a polyheterosubstituted monocyclic cycloalkane.. Journal of Integer Sequences [electronic only], Tome 5 (2002) . http://gdmltest.u-ga.fr/item/01919519/