@misc{indiciae44fe740c4e99,
  title = {A procedure for experiment scheduling and compatibility analysis for earth /planetary/ orbit.},
  author = {Duffie, J. M., Jr. and Guffin, O. T.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680036184},
  note = {Source identifier: 19680036184}
}