00361    a2200109   4500001001000000005001700010008004100027245006700068100002600135700002200161773006800183ART_1216820260410161904.0260409a                                 10aTesting for heteroscedasticity in simultanoeus equation models1 aPhillips, Garry D. A.1 aHarvey, Andrew C.0 tJournal of econometricsg- Vol. 15, Nº 3 (abr. 1981)wREV11720