1. Inter. Symposium on the Use of Electronics Digital Computers in Structural Engineering;Schmit,1966
2. Nonlinear Programming Procedures and Design Optimization;Kowalik;Acta Polytech. Scand. Math. Computing Mach. Ser.,1966
3. Network analogy for the truss problem;Spillers,1962
4. Frame Analysis;Hall,1967
5. Linear Programming;Simonnard,1966