@misc{indiciae3d1c56348aa3,
  title = {Approximations to microwave attenuation in precipitation},
  author = {Kalshoven, J. E., Jr. and Eckerman, J.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780033114},
  note = {Source identifier: 19780033114}
}