The Problems of Railway Infrastructure Modernisation and Their Influence on the Modernisation of Regional Routes. - Andrzej Bialon; Pawel Gradowski; Marta Gryglas (TST, 2010)

Modeling of ETCS Levels with Respect to Functionality and Safety Including Polish Railways Conditions. - Andrzej Torun; Andrzej Lewinski; Pawel Gradowski (TST, 2014)