@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042057,
 author = {Yanagawa, Noriyuki and Ryoko, Oki},
 month = {Sep},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Exclusive Dealing Contract and Inefficient Entry Threat},
 year = {2008}
}