Paper  doi  bibtex   

@inproceedings{DBLP:conf/ro-man/DondrupBH14,
  author    = {Christian Dondrup and
               Nicola Bellotto and
               Marc Hanheide},
  title     = {Social distance augmented qualitative trajectory calculus for Human-Robot
               Spatial Interaction},
  booktitle = {The 23rd {IEEE} International Symposium on Robot and Human Interactive
               Communication, {IEEE} {RO-MAN} 2014, Edinburgh, UK, August 25-29,
               2014},
  pages     = {519--524},
  publisher = {{IEEE}},
  year      = {2014},
  url       = {https://doi.org/10.1109/ROMAN.2014.6926305},
  doi       = {10.1109/ROMAN.2014.6926305},
  timestamp = {Wed, 16 Oct 2019 14:14:50 +0200},
  biburl    = {https://dblp.org/rec/conf/ro-man/DondrupBH14.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}