@misc{indiciae8a943b034834,
  title = {Irradiance and spectral distribution control system for controlled environment chambers},
  author = {Krones, M. J. and Sager, J. C. and Johnson, A. T. and Knott, W. M.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/20040090123},
  note = {Source identifier: 20040090123}
}