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2. Mathematical models for process design and optimization;Hughes;A.I.Ch.E. Today Series, New York,1974
3. Optimal synthesis of process systems;Ichikawa;Chem. Engng Sci.,1973
4. Synthesis of process flowsheets by a theorem proving method;Mahalec,1974
5. Procedures for the initial design of chemical processing systems;Mahalec,1976