1. Solar tower energy collector;Hildebrandt,1977
2. Status report on a high temperature solar energy system;Skinrood;SAND 74-8017,1977
3. Solar thermal power systems based on optical transmission;Vant-Hull;Prog. Rep. NSF/RANN/SE/GI-39456/PR/74/2,1974
4. Analysis of a Conical Concentrator;Athavale;Unpublished M.S. Thesis,1976
5. Mathematical Methods of Statistics;Cramer,1946