@article{oai:toyo-bunko.repo.nii.ac.jp:00003155,
 author = {IWAMI, Kiyohiro and IWAMI, Kiyohiro},
 journal = {Memoirs of the Research Department of the Toyo Bunko},
 month = {},
 pages = {31--48},
 title = {Silk Trade and Gongxian Tribute System under the Tang Dynasty},
 volume = {67},
 year = {2009}
}