@misc{indiciaefb480c9cbc92,
  title = {[Formation of a concentration training program for concentration disordered children].},
  author = {H J Kossow and T Vehreschild},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6856709/},
  note = {Source identifier: 6856709}
}