1. J.J. McKetta, Encyclopedia of Chemical Processing and Design, 17 (1976) 1–29.
2. Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd edn., vol. 8 (1960) 75–113.
3. Drying: Principles And Practice;Keey,1972
4. Handbook of Industrial Drying;Mujumdar,1987