1. Hulls modifications provide cost savings;Annon;The Naval Architect,1998
2. Tapping the gas market;Annon;Marine Engineers Review,2002
3. Andersen, P., 1996, A comparative study of conventional and tip-fin propeller performance. In Proceedings 21st Symposium on Naval Hydrodynamics. Trondheim, Norway.
4. An investigation into effective boss cap designs to eliminate hub vortex cavitation;Atlar,1998
5. Marine Propellers and Propulsion;Carlton,1994