@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042391,
 author = {Hunter, Janet},
 month = {May},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Understanding the Economic History of Postal Services : Some Preliminary Observations from the Case of Meiji Japan},
 year = {2005}
}