Pavol Kajanek, Alojz Kopacik. "PROPOSAL POSITIONING SYSTEM BASED ON THE USE OF TWO IMS PLACED ON COMMON BASELINE AND OPTICAL ENCODER." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Informatics, Geoinformatics and Remote Sensing, 2017, pp. 477-484. https://doi.org/10.5593/sgem2017/22/s09.060