@article{01894857, title = {Construction of non-Wythoffian perfect 4-polytopes.}, journal = {Beitr\"age zur Algebra und Geometrie}, volume = {44}, year = {2003}, pages = {235-244}, zbl = {1036.52017}, language = {en}, url = {http://dml.mathdoc.fr/item/01894857} }
Gévay, Gábor. Construction of non-Wythoffian perfect 4-polytopes.. Beiträge zur Algebra und Geometrie, Tome 44 (2003) pp. 235-244. http://gdmltest.u-ga.fr/item/01894857/