Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ONDA Mikihisa and MURAKAMI Daisuke and IKEDA Kiyohiro and TAKAYAMA Yuki and OSAWA Minoru and KOGURE Yosuke,AN ENHANCEMENT OF GROUP-THEORETIC SPECTRUM ANALYSIS FOR DETECTING SPATIAL AGGLOMERATION,"Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management)",2185-6540,Japan Society of Civil Engineers,2018,74,4,398-410,https://cir.nii.ac.jp/crid/1390845713034317312,https://doi.org/10.2208/jscejipm.74.398