@misc{indiciaec7580a293fd9,
  title = {Progress toward a 30 percent-efficient, monolithic, three-junction, two-terminal concentrator solar cell for space applications},
  author = {Partain, L. D. and Chung, B.-C. and Virshup, G. F. and Schultz, J. C. and Macmillan, H. F. and Ristow, M. Ladle and Kuryla, M. S. and Bertness, K. A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910009875},
  note = {Source identifier: 19910009875}
}