1. On the structural properties of the nonlinear ship equations of motion incorporating the effects of forward speed;Berge;Journal of Ship Research,1998
2. Guidance and Control of Ocean Vehicles;Fossen,1994
3. Nonlinear output feedback control of dynamically positioned ships using vectorial observer backstep-ping;Fossen;IEEE Transations on Control Systems Technology,1998
4. Nonlinear vectorial backstepping design for global exponentialtracking of marine vessels in the presence of actuator dynamics.;Fossen,1997