@misc{indiciae647930d3d190,
  title = {A simple formulation of the delta-four-stream approximation for radiative transfer parameterizations},
  author = {Liou, Kuo-Nan and Fu, Qiang and Ackerman, Thomas P.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880067598},
  note = {Source identifier: 19880067598}
}