@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042567,
 author = {Peng, Shin-Kun and Tabuchi, Takatoshi},
 month = {Aug},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Spatial Competition in Variety and Number of Stores},
 year = {2005}
}