Franksen, Ole Immanuel. Qualitative aspects of large scale systems : developing design rules using APL / O.I. Franksen, P. Falster, F.J. Evans. - Berlin ; Springer-Verlag, 1979. - xii, 119 p. : ISBN: 0387096094 Subjects--Topical Terms: System design. Dewey Class. No.: 004.21 P855 Qu