@misc{indiciae5071556156d4,
  title = {Classification and designation systems for materials: A report on the present situation, an inventory of the systems in use, and comments on the future possibilities},
  author = {Reynard, Keith W.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970000217},
  note = {Source identifier: 19970000217}
}