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 "Trenkler, Götz",Biased estimators in the linear regression model,,"Verlag A. Hain, Meisenheim,Oelgeschlager, Gunn & Hain",1981,Mathematical systems in economics,,"3445020248,0899460720",,https://cir.nii.ac.jp/crid/1130282270860493440