1. Simple 3-polytopal graphs with edges of only two types ans shortness coefficients
:TKÁČ, Michal. Simple 3-polytopal graphs with edges of only two types ans shortness coefficients. In Mathematica Slovaca. - Bratislava : Mathematical Institute Slovak Academy of Sciences, 1992. ISSN 0139-9918, 1992, vol. 42, no. 2, pp. 147-152.