@article{VollmeyerHolyoak1994,
  author    = {Vollmeyer, Regina and Holyoak, Keith J.},
  title     = {Zielspezifit{\"a}t beim Probleml{\"o}sen},
  year      = {1994},
  language  = {de}
}
@article{VollmeyerHolyoakBurns1994,
  author    = {Vollmeyer, Regina and Holyoak, Keith J. and Burns, Bruce D.},
  title     = {Goal specificity in hypothesis testing and problem solving},
  year      = {1994},
  language  = {en}
}