Luzi-Helbing [Luzi], M., Schicks, J., Naumann, R., Erzinger, J. (2007): Characterization of multicomponent gas hydrates containing higher hydrocarbons, (Terra nostra; 2007/1-2), International Conference 2007 and 97th Annual Meeting of the Geologische Vereinigung e. V.(GV) (Bremen 2007).