1. Power with heliostats;Hildebrandt;Science,1977
2. Survey of power tower technology;Hildebrandt;J. Solar Energy Engng.,1980
3. Proc. First U.S.-China Conf. on Energy, Resources, and Environment;Hildebrandt,1982
4. Thirty MWe Plant for California;Sunworld,1982
5. Heliostat systems: technical and economic assessment;Hildebrandt,1981