@inproceedings{CTT100398895,
  author = {Takafumi Oda and Motoshi Saeki},
  title = {Generative Technique of Version Control Systems for Software Diagrams},
  booktitle = {Proc. of 21st IEEE International Conference on Software Maintenance (ICSM2005)},
  year = 2005,
}

@inproceedings{CTT100398900,
  author = {Motoshi Saeki and Takafumi Oda},
  title = {A Conceptual Model of Version Control in Method Engineering Environment},
  booktitle = {Proc. of 17th Conference on Advanced Information Systems Engineering (CAiSE'05) Forum},
  year = 2005,
}