Ninth E. C. Photovoltaic Solar Energy Conference : proceedings of the International Conference, held at Freiburg, Fed. Rep. of Germany, 25-29 September 1989 - Photovoltaic Solar Energy Conference 1989 : Freiburg, Germany); Palz, W.; Wrixon, G. T. (Dordrecht : Kluwer Academic Pub., 1989)
At head of title: Commission of the European Communities
Keywords: Solar cells -- Congresses; Photovoltaic power generation -- Congresses