1. J. Pyrko, Tubular plastic solar collector for crop drying, Special Rep. 118, Department of Farm Buildings (LBT), Lund, Sweden
2. Development and dissemination of solar tunnel dryers;Esper,1993
3. Solar energy in agriculture;Muhlbauer,1993
4. Solar tunnel dryer with integrated collector;Lutz;Drying Technology,1986
5. Comparison between solar tunnel dryers and conventional fuel dehydrators for on-farm drying;Fuller;Drying Technology,1995