@article{SixtusFischerLindemann2017,
  author    = {Elena Sixtus and Martin H. Fischer and Oliver Lindemann},
  title     = {Finger posing primes number comprehension},
  journal   = {Cognitive processing : international quarterly of cognitive science},
  volume    = {18},
  pages     = {237 -- 248},
  doi       = {10.1007/s10339-017-0804-y},
  year      = {2017},
}