@book{oai:ir.ide.go.jp:00048711,
 author = {後閑, 利隆},
 month = {Mar},
 note = {application/pdf, CKH201003_004, 2009年度調査研究報告書},
 publisher = {Institute of Developing Economies　(IDE-JETRO)},
 title = {Chapter 2 On the usage of the measurements of geographical concentration and specialization with areal data},
 year = {2010}
}