@misc{indiciaeca05432b72fb,
  title = {Chromospherically active stars. 13: HD 30957: A double lined K dwarf binary},
  author = {Fekel, Francis C. and Dadonas, Virgilijus and Sperauskas, Julius and Vaccaro, Todd R. and Patterson, L. Ronald},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950033940},
  note = {Source identifier: 19950033940}
}