1. Sun in action;Altener Programme,1996
2. New perspective for energy savings in Agriculture;Goedseels,1987
3. Development of solar drying;Imre;Drying Technology,1996
4. Le sechage solaire des produits agricoles en Europe;Jacob,1992
5. Research and development needs and opportunities in drying;Mujumdar;Drying Technology,1996