@misc{indiciae80dd8546d047,
  title = {The 200 watts/kilogram solar array conceptual approach study. Phase 2: Assessment report for proof-of-concept experiments and Halley's comet concentrator array},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770021636},
  note = {Source identifier: 19770021636}
}