Sixteenth European Photovoltaic Solar Energy Conference : Proceedings of the International Conference Held in Glasgow 1-5 May 2000 McNelis, B. Palz, W. Helm, P. Ossenbrink, H.A. Scheer, H. 9781902916187 01.02.2001 Engelsk Nytt opplag ventes
Energy from the Biomass : Third EC conference Hall, D.O. Palz, W. Coombs, Hugh 9780853343967 Innbundet 01.09.1985 Engelsk I salg
