1. Baird, M.H.,: Can. J. Chem. Eng.,52, 750 (1974).
2. Bibaud, R.E. and Treybal, R.E.,: AIChEJ.,12, 472 (1966).
3. Himmelbrau, D.M. and Bischoff, K.B.,: “Process Analysis and Simulation”, John Willey & Sons, New York, p. 113,(1968).
4. Ingham, J.,: Trans. Instn. Chem. Engrs.,50, 372 (1972).
5. Kim, S.D. and Baird, M.H.I.: Can. J. Chem. Eng.,54, 81 (1975).