@misc{indiciaed81587e2e356,
  title = {Viral coefficient and hidden mass in the galaxy groups},
  author = {Anosova, Joanna P. and Orlov, Victor V. and Kiseleva, Ljudmila G.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910007637},
  note = {Source identifier: 19910007637}
}