@misc{indiciaef4ae1c77e600,
  title = {Direct MPN for faecal coliform.},
  author = {M M el-Abagy and H T el-Zanfaly and S el-Hawaary},
  year = {1980},
  doi = {10.1016/s0323-6056(80)80095-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/7006259/},
  note = {Source identifier: 7006259}
}