00847nam0-22003251i-450-9900031479404033210-7153-5414-0000314794FED01000314794(Aleph)000314794FED0100031479420000920d1971----km-y0itay50------baitaITOperational Researchby G.A. Yewdall and C.T. Wicks.Newton AbbotDavid & Charles1971.217 p.22 cmAnalisi costi-beneficiB/3.3B/3.5Wicks,Clive ThomasYewdall,G. A.ITUNINARICAUNIMARCBK990003147940403321B/33 YEW3825/ISESSESOperational Research228930UNINAING01