@article{oai:ipsj.ixsq.nii.ac.jp:00064719,
 author = {松本, 行弘 and Yukihiro, Matsumoto},
 issue = {5},
 journal = {情報処理},
 month = {May},
 pages = {515--521},
 title = {Rubyの真実},
 volume = {44},
 year = {2003}
}