著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Kelvin Lancaster,The Economics of Product Variety: A Survey,Marketing Science,0732-2399,Institute for Operations Research and the Management Sciences (INFORMS),1990-08,9,3,189-206,https://cir.nii.ac.jp/crid/1362825893565247360,https://doi.org/10.1287/mksc.9.3.189