1. The drift force and moment on ships in waves;Newman;Journal of Ship Research,1967
2. Second order slowly varying forces on vessels in irregular waves;Newman,1974
3. Calculation of slowly varying drift forces;Marthinsen;Applied Ocean Research,1983
4. The effect of short crested seas on second order forces and motions;Marthinsen,1983
5. Slow drift oscillations of a ship in irregular waves;Faltinsen;Applied Ocean Research,1978