@misc{indiciaea75f3c7b0d75,
  title = {Improved constraint on the alpha 1 PPN parameter from lunar motion.},
  author = {J Müller and K Nordtvedt and D Vokrouhlick},
  year = {1996},
  doi = {10.1103/physrevd.54.r5927},
  url = {https://pubmed.ncbi.nlm.nih.gov/10020666/},
  note = {Source identifier: 10020666}
}