@misc{indiciaed2515e05e315,
  title = {Materials considerations},
  author = {Gray, H. R. and Nelson, H. G. and Johnson, R. E. and Mcpherson, B. and Howard, F. S. and Swisher, J. H.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19760011579},
  note = {Source identifier: 19760011579}
}