@misc{indiciaeeb49e838e82c,
  title = {Introduction to the Proceedings of the 1980 Stock Concept International Symposium (STOCS)},
  author = {A.H. Berst and R.C. Simon},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/1013645},
  note = {Source identifier: 1013645}
}