WCSMO-1 : proceedings of the First World Congress of Structural and Multidisciplinary Optimization, 28 May - 2 June 1995, Goslar, Germany / von World Congress of Structural and Multidisciplinary Optimization (1st : 1995 : Goslar, Germany), Olhoff, Niels, Rozvany, George I. N., International Society for Structural and Multidisciplinary Optimization