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) Steven Casper,How do technology clusters emerge and become sustainable?,Research Policy,0048-7333,Elsevier BV,2007-05,36,4,438-455,https://cir.nii.ac.jp/crid/1363107369566582784,https://doi.org/10.1016/j.respol.2007.02.018