@article{oai:tsukuba.repo.nii.ac.jp:00022320, author = {尾城, 孝一 and Ojiro, Koichi}, issue = {16}, journal = {ディジタル図書館}, month = {Nov}, pages = {24--38}, title = {東京工業大学電子図書館(TDL: Titech Digital Library)}, year = {1999} }