RU Gru

References

1. Horak1999
   Horak, T.B., Grygar, J., van Houten, C.J., Chochol, D. & Pribulla, T. “Photometric Elements of the Eclipsing Binaries ZZ Cru, RU Gru and DT Lup from Multicolour Light Curves”: 1999, Contributions of the Astronomical Observatory Skalnate Pleso, Volume 29, pp. 127-146
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1999CoSka..29..127H&db_key=AST&high=3f2ea4260a27814