6Resolution MEPC. 203 ( 62 ) , Amendments to the annex of the protocol of 1997 to amend the international conwention for the prevention of pollution from ships, 1973, as modified by the protocol of 1978 relating thereto[ S] ,2011.
7HOLLENBACH U, FRIESCH J. Efficient hull forms-What can be gained [ C ]. Ship Efficiency 2007 1 ^st International Conference, Hamburg, Germany, October, 2007 : 8 - 9.
8LEVANDER O. Dual fual engines latest developments [ C ]. Ship Efficiency 2011 3^6rd International Conference, Hamburg, Germany, 2011:26 - 27.
9PREEM M. IMO Tier III NOx technology status for large two stroke engines [ C ]. Ship Efficiency 2011 3^rd International Conference, Hamburg, Germany, 2011 : 26 - 27.
10HAACK T. Energy efficient gas propulsion system with hybrid shaft generator [ C]. Ship Efficiency 2011 3^rd International Conference, Hamburg, Germany, 2011:26 - 27.
