1. Solar heating;Boleszny,1967
2. Step lenses and step prisms for utilization of solar energy;Oshida,1961
3. Weathering of polivinylchloride. Part 1—Examination of surface whitening, Part 2—Studies on discoloration;Martin;CSIRO Division of Building Research, Reports 04.2-3 and 04.2-4,1967
4. Passive solar array orientation devices for terrestrial applications;Morse,1971