00695nam0-22002531i-450-990002626450403321000262645FED01000262645(Aleph)000262645FED0100026264520000920d1968----km-y0itay50------baENGConcept and practice of product planningd i WALLENSTEIN GerdNew YorkA.M.A.1968Wallenstein,Gerd D.107197ITUNINARICAUNIMARCBK9900026264504033214-3-27-TI2719ECAECAConcept and practice of product planning432284UNINAING01