1. FCHART (Version 2.0) interactive computer program, Solar Energy Laboratory, University of Wisconsin, Madison, WI 53706.
2. SOLCOST computer program, Martin Marietta Corp., P.O. Box 179, Denver, CO 80201.
3. Optimal sizing of solar collectors by the method of relative areas;Barley;Solar Energy,1978
4. A design procedure for solar heating systems;Klein;Solar Energy,1976
5. A design procedure for solar air heating systems;Klein;Solar Energy,1977