TY - GEN A1 - Skritek, Paul A1 - Pfliegl, Reinhard T1 - "Near Onlineā€œ Vessel Tracking on European Waterways Combining GPS and LEO-Satellite Transmission KW - GPS KW - Leo-Satellite Transmission Y1 - 2019 UR - http://opus.technikum-wien.at/frontdoor/index/index/docId/1638 ER -