1. Solar energy availability and instruments for measurement;Blanco;New Sources of Energy,1964
2. The solar radiation climate of Thailand;Exell;Solar Energy,1976
3. Some aspects of the climatology of solar radiation;Black;New Sources of Energy,1964
4. Frequency of daily insolation in Anglo North America during June and December;Bennett;Solar Energy,1967
5. Handbook of Statistical Methods in Meterology;Brooks,1953