1. J.H.Argyris, Die Matrizentheories der Statik, Ingeneur.Archiv XXV (1967),pp. 177–192.
2. H.Bernau, E.Halmos, Dimensioning of statically indeterminate lightweight structures of complex stress on the basis of minimumweight conditions, Working Paper MO/21, Comp. and Aut.Inst.H.A.W. (1980).
3. H.Bernau, E.Halmos, Ein Modell zur Bestimmung optimaler Stabwerke, GAMM Jahrestagung Berlin, 1980.(will be publ. in ZAMM 61).
4. J.Denel,Methode des centres linearisee, utalisation do code MCL, Publications du Laboratoire de Calcul de l’Universite Lille.
5. C. Fleury, M.Geradin, Optimality criteria and mathematical programming in structural weight optimization, Comp. and Struct. 8, (1978) pp. 7–17.