1. Parametrische Untersuchungen von Latentwarme speichern in solaren Prozeßwarmesystemen;Thomas,1992
2. A solar cooker based on a flat plate collector with oil storage;Rommel;Sun at Work in Europe,1986
3. Integrierende Kugeln zur Messung des winkelabhangigen direkt—hemispharischen spektralen Reflexions—und Transmissionsgrades;Steinhart,1995
4. Solar cookers—cheap technology with high ecological benefits;Nandwani;Ecological Econ.,1996
5. MAXORB solar foil,1981