@misc{indiciae29c03b7f8be8,
  title = {Penicillin amidase from Proteus rettgeri.},
  author = {M Robak and A Szewczuk},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/6805183/},
  note = {Source identifier: 6805183}
}