岡部篤行
Atsuyuki Okabe; Yasushi Asami; Fujio Miki (1985). “Statistical Analysis of the Spatial Association of Convenience-Goods Stores by Use of a Random Clumping Model”. Journal of Regional Science(英語版) 25 (1): 11-28. doi:10.1111/j.1467-9787.1985.tb00291.x.