V909 Cyg
References
Gülmen1988
Gülmen, O., Sezer, C. & Gudur, N. “Photometry and Analysis of the Eclipsing Binary V909 Cygni”: 1988, Astronomy & Astrophysics Supplement Series, Volume 73, pp. 255-263
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1988A%26AS...73..255G&db_key=AST&high=3f567b0b2c29890Lacy1997
Lacy, Claud H. Sandberg “Absolute Dimensions and Masses of Eclipsing Binary Stars: The Anomalous Triple Star V909 Cygni”: 1997, The Astronomical Journal, Volume 114, pp. 2140-2144
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1997AJ....114.2140L&db_key=AST&high=3f567b0b2c29890