@misc{indiciaea36b836b2181,
  title = {Negative magnetoresistance in variable-range-hopping conduction.},
  author = {HL Zhao and BZ Spivak and MP Gelfand and S Feng},
  year = {1991},
  doi = {10.1103/physrevb.44.10760},
  url = {https://pubmed.ncbi.nlm.nih.gov/9999103/},
  note = {Source identifier: 9999103}
}