@book{16143,
	author = {NATO Advanced Study Institute on Modern Structural Optimization, Univ. of Liege, Belgium, Aug., 1980 and Morris, A. J.},
	title = {Foundations of structural optimization; a unified approach; lectures /},
	publisher = {John Wiley,},
	year = {1982},
	series = {Wiley series in numerical methods in Engineering},
	address = {New York:}
}