@inproceedings{oai:repository.dl.itc.u-tokyo.ac.jp:00041900,
 author = {Morimura, Kumiko and Entzinger, Jorg O. and Suzuki, Shinji},
 book = {Professional Communication Conference (IPCC), 2011 IEEE International},
 month = {},
 note = {IEEE International Professional Communication Conference, Cincinnati, USA, 17-19 Oct. 2011},
 publisher = {IEEE Professional Communication Society},
 title = {The "SNOWBALLS" Web-Based e-learning System and its Development},
 year = {2011}
}