00681nam0-22002531i-450-990002728590403321000272859FED01000272859(Aleph)000272859FED0100027285920000920d1962----km-y0itay50------baENGWheldon's Costing simplified.by Owler L. W. and Brown J.L.LondraMacDonald1962Brown,G.C.371796Brown,J.l.ITUNINARICAUNIMARCBK99000272859040332113-3-23S.I.ECAECAWheldon's Costing simplified425007UNINAING01