@misc{indiciae6ddf6c5b3880,
  title = {Multiple payload Shuttle flights from WTR - Some operational and orbital mechanics considerations},
  author = {Edgecombe, D. S. and Fischer, N. H. and Rea, F. G.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810062896},
  note = {Source identifier: 19810062896}
}