00372    a2200121   4500001001000000005001700010008004100027245004700068100002600115700002500141773006700166999001700233ART_1264720260410161908.0260409a                                 10aGeneralised farrell measures of efficiency1 aFørsund, Finn Ragnar1 aHjalmarsson, Lennart0 tThe Economic Journalg- Vol. 89, Nº 354 (jun. 1979)wREV12512  c26540d26540