5Debnath A K,Chin H C,Haque M M.Modelling port water collision risk using traffic conflicts[J].Journal of Navigation,2011,64(4):645-655.
6Debnath A K,Chin H C.Navigational traffic conflict technique:A proactive approach to quantitative measurement of collision risks in port waters[J].Journal of Navigation,2010,63(1):137-152.