@misc{indiciae0ed390295d6e,
  title = {Sex differences and spatial ability factors in Witkin's "differentiation" construct.},
  author = {R P McGilligan and A G Barclay},
  year = {1974},
  doi = {10.1002/1097-4679(197410)30:4<528::aid-jclp2270300420>3.0.co;2-n},
  url = {https://pubmed.ncbi.nlm.nih.gov/4418896/},
  note = {Source identifier: 4418896}
}