@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042995,
 author = {Okazaki, Tetsuji},
 month = {Jun},
 note = {application/pdf, Revised in September 2009, 本文フィルはリンク先を参照のこと},
 title = {Supplier Networks and Aircraft Production in Wartime Japan},
 year = {2008}
}