Interrelationships between intellectual, perception, and motor measurements in trainable retardates.

@article{Johnson1975InterrelationshipsBI,
  title={Interrelationships between intellectual, perception, and motor measurements in trainable retardates.},
  author={Rolley E. Johnson},
  journal={American corrective therapy journal},
  year={1975},
  volume={29 5},
  pages={151-4}
}