00381    a2200109   4500001001000000005001700010008004100027245010200068100001600170773006800186999001700254ART_1240120260410161906.0260409a                                 10aMaximun entropy measurement error estimates of singular covariance matrices in undersized samples1 aVinod, H.D.0 tJournal of econometricsg- Vol. 20, Nº 2 (nov. 1982)wREV11720  c26330d26330