Paper on Inland Ports and their Functions, University of Zilina:
Inland Ports and their Functions (SK)

Website with an overview of facts and figures of the Danube Region, www.dunareadintrenoibg.worldpress.com:
Facts and Figures on the Danube (BG)

Presentation on Danube Inland Canals, University of Zilina:
Presentation Main – Danube and Danube – Black Sea Canal (SK)

Paper on Danube Inland Canals, University of Zilina:
Article Main – Danube and Danube – Black Sea Canal (SK)