1. TRANSYS A transient simulation program;Klein;ASHRAF Trans.,1976
2. WATSUN user's manual and program documentation;D'Andrea,1985
3. Stochastic variation of hourly solar radiation over the day;Graham,1987
4. Stochastic modelling of the daily solar atmospheric transittance, Kt;Graham,1985
5. Markov processes and Fourier analysis as a tool to describe and simulate daily solar irradiance;Amato;Solar Energy,1986