1. Characteristics and application of thermal insulation;Tye,1989
2. Optics in equipment for the utilization of solar energy;Veinberg,1959
3. A new collector of solar radiant energy: theory and experimental verification;Francia,1961
4. Honeycomb devices in flat plate solar collectors;Hollands;Solar Energy,1965
5. Honeycomb (cellular) insulation;Tabor;Solar Energy,1969