@misc{GlaserSchreck2021,
  author    = {Markus Glaser and Robert Schreck},
  title     = {Subsea shut-off device},
  url       = {https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf\&firstdoc=1\&docid=US000011067197B2},
  institution = {Optik und Mechatronik},
  year      = {2021}
}