00353    a2200109   4500001001000000005001700010008004100027245007200068100001900140773006700159999001700226ART_1227820260410161904.0260409a                                 10aA note on the estimation of seemingly unrelated regressions systems1 aSchmidt, Peter0 tJournal of econometricsg- Vol. 7, Nº 2 (abr. 1978)wREV11720  c26226d26226