1. Guidance and control of ocean vehicles.;Fossen,1994
2. Nonlinear Passive Control and Observer Design for Ship;Fossen,1999
3. Nonlinear Tracking of underactuated surface vessels;Godhavn,1996
4. Nonlinear Control Systems.;Isidori,1995
5. Nonlinear Dynamical Control Systems.;Nijmeijer,1990