1. Custody Transfer Handbook;GIIGNL,2011
2. Private communication with A. Benito, Cartagena LNG terminal, Spain, 2011.
3. Sakariassen, R. (2004). Uncertainty evaluation of LNG energy determination at Melkoya by use of ship tanks. MetroPartner report, Doc no. REP-02/1004. MetroPartner a.s., Sentrumsvegen 53, N-4700 Vennesla, Norway.
4. Evaluation of uncertainty in transferred LNG volume;Kolbjørnsen,2011
5. Uncertainty in the LNG density determination: Klosek–McKinley revised method;Benito,2011