1. Heat pipes in flat plate solar collectors;Bienert;ASME paper 76-WA/SOL-12,1976
2. Experimental evaluation of a cylindrical parabolic solar collector;Ramsey;ASME paper 76-WA/HT-13,1976
3. Wohnhaus mit Versuchsanlage zur Nutzung von Sonnenenergie;Dietrich;Elektro-Warme Int.,1975
4. Analysis, design and thermal performance …;Evans;Am. Sect. Int. Sol. Energy Soc.,1977
5. Internal cusp reflector for an evacuated tubular …;Ortabasi;Solar Energy,1980