@Inproceedings{EPTCS167.3,
  author    = {Beckert, Bernhard and Grebing, Sarah and B\"ohl, Florian},
  year      = {2014},
  title     = {How to Put Usability into Focus: Using Focus Groups to Evaluate the Usability of Interactive Theorem Provers},
  editor    = {Benzm\"uller, Christoph and Paleo, Bruno Woltzenlogel},
  booktitle = {{\rm Proceedings Eleventh Workshop on}
               User Interfaces for Theorem Provers,
               {\rm Vienna, Austria, 17th July 2014}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {167},
  publisher = {Open Publishing Association},
  pages     = {4-13},
  doi       = {10.4204/EPTCS.167.3},
}