TT Lyr

References

  1. Walter1969
    Walter, K. “Das System des Bedeckungssterns TT Lyrae”: 1969, Astronomische Nachrichten, Volume 291, pp. 89-95
    http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1968AN....291...89W&db_key=AST&high=3f2ea4260a21013

  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