@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042453,
 author = {Ohashi, Hiroshi and Tae-Seung, Kim and Tae, Hoon  Oum and Chunyan, Yu},
 month = {Jul},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Choice of Air Cargo Transshipment Airport : An Application to Air Cargo Traffic to/from Northeast Asia},
 year = {2004}
}