@article{sano13ijcscn,
  author = {Hiroyuki Sano and Shun Shiramatsu and Tadachika Ozono and Toramatsu Shintani},
  title = {Implementing a Web Annotation System for Supporting Cooperative Works Using Tablet Devices},
  journal = {International Journal of Computer Science and Communication Networks},
  publisher = {},
  series = {},
  volume = {3},
  number = {1},
  pages = {21--28},
  year = {2013},
  doi = {},
  url = {}
}