00371nam a2200133Ia 4500008004100000020001400041082001200055100002000067245004700087260003800134300002300172500001900195600002300214250612s9999    xx            000 0 und d  a256025207  a658 WEB  aWebber, Ross A  0aTo be a manager:bessentials of management  aOntario:bRichard D. Irwin,c1981  axiii, 507p.b:ill.  aincludes index  aManagement Science