@article{oai:toyo-bunko.repo.nii.ac.jp:00003201, author = {NAKAJIMA, Satoshi and NAKAJIMA, Satoshi}, journal = {Memoirs of the Research Department of the Toyo Bunko}, month = {}, pages = {1--17}, title = {The Vitriol Copper Process during the Song}, volume = {60}, year = {2002} }