1
Internationales Sonnenforum. 2,1 : Forum solaire international : International solar forum : proceedings Hamburg, 12. - 14.7.1978.
Book
2
Nichtnukleare und nichtfossile Energieträger: kleines Lehrbuch regenerativer Energiequellen /
Book
3
Advances in solar energy technology. vol 0001 : Biennial congress of the International Solar Energy Society. 0010: proceedings : Hamburg, 13.09.87-18.09.87.
Book
4
Solar energy engineering /
Book
5
E.C. Photovoltaic Solar Energy Conference. 8,1 : proceedings of the international conference, held at Florence, Italy, 9-13 May 1988 /
Book
6
Nutzung regenerativer Energie /
Book