@misc{indiciae5ec562805ade,
  title = {Apollo-Soyuz Doppler-tracking experiment MA-089},
  author = {Weiffenbach, G. C. and Grossi, M. D. and Shores, P. W.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770006543},
  note = {Source identifier: 19770006543}
}