@misc{indiciaea281efe6b99b,
  title = {Processing of Bulk YBa2Cu3O(7-x) High Temperature Superconductor Materials for Gravity Modification Experiments and Performance Under AC Levitation},
  author = {Koczor, Ronald and Noever, David and Hiser, Robert},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990068007},
  note = {Source identifier: 19990068007}
}