@misc{indiciae6ddb4430a113,
  title = {Reply to Kuenen's letter},
  author = {H. S. Ladd and J. I. Tracey},
  year = {1958},
  doi = {10.1016/s0146-6291(58)80013-2},
  url = {https://pubs.usgs.gov/publication/70212088},
  note = {Source identifier: 70212088}
}