@misc{indiciaefc6a470a614e,
  title = {A Note About HARP's State Trimming Method},
  author = {Butler, Ricky W. and Hayhurst, Kelly J. and Johnson, Sally C.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19980201051},
  note = {Source identifier: 19980201051}
}