Ždánsky, Juraj Influence of the Control System Structure with Safety PLC on its Reliability and Safety. Nagy, Peter In: Žilina : Elektrotechnická fakulta, Žilinská univerzita, 2012. -- Elektro 2012 : 9th International Conference, May 21-22, 2012, Žilina - Rajecké Teplice. -- s.395-399. -- 978-1-4673-1178-6.