@misc{indiciae581dceb91281,
  title = {[Multivariate data processing. VIII. Introduction to elementary matrix algebra and determination of hypothesis and error matrix (supplement)].},
  author = {P P Mager},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4464186/},
  note = {Source identifier: 4464186}
}