1. Economic analysis of central solar heating systems with seasonal storage;Lund,1985
2. A design procedure for solar heating systems;Klein;Solar Energy,1976
3. Minimum cost sizing of solar heating systems;Ward,1976
4. Optimal sizing of solar collectors by the methods of relative areas;Barley;Solar Energy,1978
5. The GEL method for designing solar energy space heating and domestic hot water systems;Lameiro,1978