1. Drying Crops with Solar Heated Air;Buelow,1961
2. Solar Energy Utilization for Crop Drying;Davis,1961
3. The Role of Solar Energy in the Drying of Vine Fruit;Wilson,1961
4. Possibility of Applying Solar Energy to Drying Fruits and Vegetables;Ismailova;Teploenergetica,1957
5. Solar Drying of Oil Shale;Talwalker,1961