[ASME ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition - Stockholm, Sweden (Tuesday 2 June 1998)] Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations - Combustion Aspects of Application of Hydrogen and Natural Gas Fuel Mixtures to MS9001E DLN-1 Gas Turbines at Elsta Plant, Terneuzen, The Netherlands