1. Hougen, O. A.; Watson, K. M.Chemical Process Principles, Part III; Wiley: New York, 1947; p 919, eq 37.
2. Hougen, O. A.; Watson, K. M.Chemical Process Principles, Part III; Wiley: New York, 1947; p 929, eq b.
3. Hougen, O. A.; Watson, K. M.Chemical Process Principles, Part III; Wiley: New York, 1947; p 1065, eqs 17 and 22.
4. Hougen, O. A.; Watson, K. M.Chemical Process Principles, Part III; Wiley: New York, 1947; pp 943−958.