A. Schöbel, J. Blieberger:
"Availability Analysis for Railway Infrastructure based on Graph Theory";
Talk: EURO - Zel 2010, Zilina; 2010-05-26 - 2010-05-27; in: "Revitalisation of Economy - New Challenge for European Railways", EDIS Zilina, (2010), ISBN: 978-80-554-0198-0; 141 - 148.