@misc{indiciae52e853cf2ed1,
  title = {Operator ordering in effective-mass theory.},
  author = {J Thomsen and GT Einevoll and PC Hemmer},
  year = {1989},
  doi = {10.1103/physrevb.39.12783},
  url = {https://pubmed.ncbi.nlm.nih.gov/9948150/},
  note = {Source identifier: 9948150}
}