- "Resolutie A 851 (20) van de IMO", Resolutie 851 (20) van de Internationale Maritieme Organisatie, getiteld: "General principles for ship reporting systems and ship reporting requirements, including guidelines for reporting incidents involving dangerous goods, harmful substances and/or marine pollutants".
- IMO Resolution A.851(20) means International Maritime Organisation Resolution 851(20) entitled "General principles for ship reporting systems and ship reporting requirements, including guidelines for reporting incidents involving dangerous goods, harmful substances and/or marine pollutants".