@misc{indiciae68aaac2ad9ac,
  title = {Quark correlation functions in deep-inelastic semi-inclusive processes.},
  author = {J Levelt and PJ Mulders},
  year = {1994},
  doi = {10.1103/physrevd.49.96},
  url = {https://pubmed.ncbi.nlm.nih.gov/10016747/},
  note = {Source identifier: 10016747}
}