1. Annual energy outlook 2011with projections to 2035 [Internet]. Washington DC: US energy information administration, c2011. Available from: electricdrive.org/index.php?ht=a/GetDocumentAction/id/27843, [last accessed 31.01.12].
2. LNG: an eco-friendly cryogenic fuel for sustainable development;Kumar;Applied Energy,2011
3. LNG in Europe- an overview of European import terminals [Internet],2006
4. California LNG transportation fuel supply and demand assessment;Powars,2002
5. Environmental and economic aspects of using LNG as a fuel for shipping in the Netherlands;Verbeek,2011