@misc{indiciaef676c61ab03d,
  title = {Estimation of multivariate polychoric and polyserial correlations with missing observations.},
  author = {S Y Lee and K M Leung},
  year = {1992},
  doi = {10.1111/j.2044-8317.1992.tb00989.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1472450/},
  note = {Source identifier: 1472450}
}