1. IMO (2020) Interim Guidelines on the Second Generation Intact Stability Criteria, MSC.1/Circ.1627
2. IMO (1995) Guidance to the master for avoiding dangerous situations in following and quartering seas, MSC/Circ. 707, IMO
3. IMO (2007) Revised guidance to the master for avoiding dangerous situations in adverse weather and sea conditions, MSC.1/Circ. 1228, IMO
4. Borge JCN, Reichert K, Dittmer J (1999) Use of nautical radar as a wave monitoring instrument. Coast Eng 37(3–4):331–342
5. Hirayama K, Oka K, Baba M (2010) Marine wave observation system with radar. Technical Report of Japan Radio 10:229–234 (in Japanese)