Capacity equivalence curves: a double trade-off curve method for equating task performance.

@article{Colle1988CapacityEC,
  title={Capacity equivalence curves: a double trade-off curve method for equating task performance.},
  author={H A Colle and J R Amell and M E Ewry and Michael L Jenkins},
  journal={Human factors},
  year={1988},
  volume={30 5},
  pages={645-56}
}