Stahlknecht, Peter.
Operations Research : Input-Output-Modelle / Tl 1 Stahlknecht Peter. - Braunschweig : Vieweg, 1965. - 52 s.; 34 cm.
Operations Research : Input-Output-Modelle / Tl 1 Stahlknecht Peter. - Braunschweig : Vieweg, 1965. - 52 s.; 34 cm.