@misc{indiciae4255e761ff19,
  title = {Ancient microspheres - Abiogenic, protobiogenic, or biogenic?},
  author = {Fox, S. W. and Syren, R. M. and Ingram, M. and Price, B. J. and Costello, J.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19840041949},
  note = {Source identifier: 19840041949}
}