1. Ackland B, Dickenson A, Ensor R, Gabbe J, Kollaritsch P, London T, Poirier C, Subrahmanyam P, Watanabe H (1985) CADRE ? A system of cooperating VLSI design experts. Proc. 1985 International Conference on Computer Design, pp 99?104
2. Dantzig GB (1963) Linear programming and extensions. Princeton University Press, New Jersey
3. Duffin RJ, Peterson EL, Zener C (1967) Geometric programming. Wiley, New York
4. Gill PE, Murray W, Wright MH (1981) Practical optimization. Academic Press, New York
5. Heller WR, Sorkin G, Maling K (1982) The planar package plannar for system designers. Proc. 19 Design Automation Conference, pp 253?260