@misc{indiciaef2df6cfa87db,
  title = {Major element composition of stratospheric micrometeorites},
  author = {Schramm, L. S. and Brownlee, D. E. and Wheelock, M. M.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890062574},
  note = {Source identifier: 19890062574}
}