• Operational wave height monitoring using navigation buoys and marine radars in the Baltic Sea [Online resource]Kõuts, Tarmo; Rikka, Sander; Käärmann, Leo; Usk, AivarOperational oceanography serving sustainable marine development : Proceedings of the Eigth EuroGOOS International Conference, 3-5 October 2017, Bergen, Norway2018 / p. 157-163 : ill http://eurogoos.eu/download/publications/EuroGOOS-2017-Conference-Proceedings.pdf