BS Dra
References
Popper1971
Popper, Daniel M. “Six Main-Sequence Eclipsing Binaries of Types A to F”: 1971, The Astrophysical Journal, Volume 166, pp. 361-372
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1971ApJ...166..361P&db_key=AST&high=3ee55bcf0915115Gudur1979
Gudur, N., Gulmen, O., Ibanoglu, C. & Bozkurt, S. “Two-colour Photometry of Eclipsing Binary BS Dra”: 1979, Astronomy and Astrophysics, Supplement Series, Volume 36, pp. 65-72
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1979A%26AS...36...65G&db_key=AST&high=3f2ea4260a17837Russo1981
Russo, G., Milano, L., Dorsi, A. & Marcozzi, S. “Revised Photometric Elements of the Eclipsing Systems BS Draconis and CD Tauri”: 1981, Astrophysics & Space Science, Volume 79, pp. 359-366
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1981Ap%26SS..79..359R&db_key=AST&high=3f2ea4260a17837