@misc{indiciaee4da5ebb0213,
  title = {Superconductivity in primitive hexagonal germanium.},
  author = {JL Martins and ML Cohen},
  year = {1988},
  doi = {10.1103/physrevb.37.3304},
  url = {https://pubmed.ncbi.nlm.nih.gov/9944918/},
  note = {Source identifier: 9944918}
}