@misc{indiciae9e72f69ed970,
  title = {Brain potentials during mental arithmetic: effects of extensive practice and problem difficulty.},
  author = {P Pauli and W Lutzenberger and H Rau and N Birbaumer and T C Rickard and R A Yaroush and L E Bourne},
  year = {1994},
  doi = {10.1016/0926-6410(94)90017-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/7812175/},
  note = {Source identifier: 7812175}
}