@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042051,
 author = {Kunitomo, Naoto},
 month = {Jul},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Improving the LIML Estimation with Many Instruments and Persistent Heteroscedasticity},
 year = {2008}
}