1. ASHRAE 1985. Psychrometrics. Fundamentals Handbook ASHRAE, Chapter 6.
2. ASHRAE 1997. Thermophysical properties of refrigerants. Fundamentals Handbook. ASHRAE, Chapter 19.
3. 1997. Drying and Storage of Cereal Grains. Oxford and IBH Publishing Co. Pvt. Ltd.: New Delhi; 166-170.