@misc{indiciaea8bad1a6e553,
  title = {[Indicator tubes with a noncylindrical form for indicator packing].},
  author = {G Mikhaĭlov and V Velichkova and P Vardev},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3241794/},
  note = {Source identifier: 3241794}
}