@article{SchifferFerrein2018,
  author    = {Stefan Schiffer and Alexander Ferrein},
  title     = {ERIKA—Early Robotics Introduction at Kindergarten Age},
  journal   = {Multimodal Technologies Interact},
  volume    = {2},
  number    = {4},
  doi       = {10.3390/mti2040064},
  year      = {2018},
}