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2. Preliminary Report of CIRED WG04—Dispersed Generation, CIRED, Brussels, June 1999.
3. Distributed Generation, Arthur D. Little Inc., 1999.
4. Directive of the European Parliament on the Promotion of Electricity from Renewable Energy Sources in the Internal Electricity Market, May 2000.
5. 100.000 Dächer Solarstrom Programme Supporting Private PV Installations with a Total of 1 Billion DEM, Bundesministerium für Wirtschaft und Technologie, 1999.