1. Shinskey, F.G.: Process Control Systems, McGraw-Hill, New York, 1976.
2. ESDU, Heat Transfer Sub-Series 5a: Heat exchangers: Effectiveness-Ntu relationships. Item 89016 — August 1989, Item 86018 — July 1986, Item 88021 — November 1988. ESDU International plc, London, N1 6UA.
3. Abid, I.M.: Mathematical Modelling of the Operation and Control of Heat Exchange Equipment. PhD. Thesis, University of Bradford, UK, 1991.
4. Holland, R.A.; Moores, R.M.; Watson, F.A.; Wilkinson, J.K.: Heat Transfer. Heinemann Educational Books, London, 1970.