著者名 書名 版表示 出版者名 出版年 シリーズ名 番号 ISBN ISSN URL Kadane, Joseph B. Comparison of k-class estimators when the disturbances are small Cowles Foundation for Research in Economics at Yale University 1969 Cowles Foundation discussion paper / Cowles Foundation for Research in Economics at Yale University no. 269 https://ci.nii.ac.jp/ncid/BA60855419