VY Lac

References

1. Semeniuk1984
   Semeniuk, Irena & Kaluzny, Janusz. “VY Lac - A Possible Semidetached System of Early Type”: 1984, Acta Astronomica, Volume 34, pp. 207-216
   http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?1984AcA....34..207S&db_key=AST&nosetcookie=1