@misc{indiciaeee0f15798279,
  title = {Efficiency of an AMTEC recirculating test cell, experiments and projections},
  author = {Underwood, M. L. and O'Connor, D. and Williams, R. M. and Jeffries-Nakamura, B. and Ryan, M. A.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930042017},
  note = {Source identifier: 19930042017}
}