1. Nutek, Energy in Sweden 1996. Swedish National Board for Industrial and Technical Development, Stockholm, 1996
2. Eurostat., Renewable Energy Sources Statistics 1989–1994. Statistical Office of the European Communities, Brussels and Luxembourg, 1996
3. Commission of the European Communities, Energy For the Future: Renewable Sources of Energy, Green Paper for a Community Strategy. Brussels, 1996
4. Hillring, B., Administrative policy instruments for the biofuel market: Legislation of natural resource and wood fibre use. Report No. 44, Swedish University of Agricultural Sciences, Department of Forest–Industry–Market Studies, Uppsala, 1996
5. Vattenfall, Vattenfall säljer Vind-el till McDonald ́s. [Vattenfall sells wind generated electricity to McDonald's]. Press release 15 May, 1996. Available on the web: Vattenfall home page: http://www.vattenfall.se/. 1996 (in Swedish)