1. http://www.unmanned-ship.org/munin/
. Accessed 25 June 2018
2. http://www.rolls-royce.com/~/media/Files/R/Rolls-Royce/documents/customers/marine/ship-intel/rr-ship-intel-aawa-8pg.pdf
. Accessed 25 June 2018
3. Takai T, Yoshihisa H (1987) An automatic maneuvering system in berthing. In: Proceedings, 18th ship control symposium, vol 2. The Hague
4. Takai T, Ohtsu K (1990) Automatic berthing experiments using “Shioji-Maru” (in Japanese). J Jpn Inst Navig 83:267–276
5. Hasegawa K (1998) Measurement and control techniques of ships. Measurement and control for safety navigation (in Japanese). J Soc Instrum Control Eng 37(11):762–767