|
European Space Agency: European Database
of Daylight and Solar Radiation
<http://www.satel-light.com>
International Energy Agency SolarPACES
Concentrating Solar Power Systems
<http://www.solarpaces.org>
International Energy Agency Solar Heating
and Cooling Programme
<http://www.iea-shc.org>
InterSolarCenter (Russia)
<http://www.intersolar.ru/home_e.shtml>
Natural Resources Canada: RETScreen
International
<http://www.retscreen.net/ang/g_passiv.php> | 
