@misc{indiciaeb70dc7640b19,
  title = {INTERPLANETARY CORRELATION OF GEOLOGIC TIME},
  author = {Eggleton, R. E. and Hackman, R. J. and Shoemaker, E. M.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630021567},
  note = {Source identifier: 19630021567}
}