Brian 2.1: A Socially Assistive Robot for the Elderly and Cognitively Impaired. McColl, D., Louie, W. G., & Nejat, G. IEEE Robotics Autom. Mag., 20(1):74–83, 2013.  
Paper  doi  bibtex   @article{DBLP:journals/ram/McCollLN13,
  author       = {Derek McColl and
                  Wing{-}Yue Geoffrey Louie and
                  Goldie Nejat},
  title        = {Brian 2.1: {A} Socially Assistive Robot for the Elderly and Cognitively
                  Impaired},
  journal      = {{IEEE} Robotics Autom. Mag.},
  volume       = {20},
  number       = {1},
  pages        = {74--83},
  year         = {2013},
  url          = {https://doi.org/10.1109/MRA.2012.2229939},
  doi          = {10.1109/MRA.2012.2229939},
  timestamp    = {Mon, 18 May 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/ram/McCollLN13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
} 
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