@misc{indiciaeb38eae5a3365,
  title = {Hydrogen peroxide etching proves useful for germanium},
  author = {Dayal, Y. and Kampwirth, R. and Primak, W.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680000452},
  note = {Source identifier: 19680000452}
}