@misc{indiciae88c1fb71a1fc,
  title = {[Comparative studies on different full and veneer-ceramic crowns].},
  author = {E J Richter and K Bieniek and H Küpper},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2639007/},
  note = {Source identifier: 2639007}
}