Praczyk, T., Hożyń, S., Bodnar, T., Pietrukaniec, L., Błaszczyk, M. and Zabłotny, M. (2019) “Concept and First Results of Optical Navigational System”, Transactions on Maritime Science, 8(1), pp. 46 - 53. doi: 10.7225/toms.v08.n01.005.