1. Solar Heating and Cooling Programme Task 7;International Energy Agency,1990
2. Central solar heating plants with seasonal storage;Jilar,1989
3. The MINSUN program. Application and user's guide;Mazzarella,1989
4. TRNSYS, a transient system simulation program;Klein,1983
5. SIMSYS, description and user's guide;Dalenbäck,1989