@inproceedings{H.Yun2019a,
  author = "H. Yun and A. Fortenbacher and R. Helbig and N. Pinkwart",
  title = "Design Considerations for a mobile Sensor-Based Learning Companion",
  year = 2019,
  booktitle = "the 18th International Conference on Web-based Learning (ICWL)",
  month = "Sep"
}