X Gru

References

1. Schultz1977
   Schultz, E. & Walter, K. “Mean Light Curve and Photometric Solution of the Algol Variable X Gru”: 1977, Astronomy & Astrophysics Supplement Series, Volume 29, pp. 51-56
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1977A%26AS...29...51S&db_key=AST&high=3f567b0b2c03929

2. Giuricin1981
   Giuricin, G., Mardirossian, F. & Predolin, F. “Revised Photometric Elements of Seven Sd-Systems”: 1981, Astronomy & Astrophysics Supplement Series, Volume 43, pp. 251-256
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1981A%26AS...43..251G&db_key=AST&high=3f2ea4260a21013