@article{weko_67584_1, author = "Kazunari,Meguro and Shinichi,Motomura and Toshihiko,Sasama and Takao,Kawamura and Kazunori,Sugahara", title = "Backup and Recovery Scheme for Distributed e-Learning System", journal = "Journal of information processing", year = "2009", volume = "17", number = "", pages = "273--279", month = "nov" }