@misc{indiciaeb404f906dad2,
  title = {Direct versus indirect bonding.},
  author = {M Cohen and E Silverman},
  year = {1979},
  doi = {10.1016/0002-9416(79)90190-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/369384/},
  note = {Source identifier: 369384}
}