BW Dra

References

1. Rucinski1982
   Rucinski, S. M. & Kaluzny, J. “BV DRA and BW DRA - Two Contact Systems in One Visual Binary”: 1982, Astrophysics & Space Science, Volume 88, pp. 433-452
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1982Ap%26SS..88..433R&db_key=AST&data_type=HTML&format=&high=42b722821605233

2. Batten1986
   Batten, A. H. & Lu, W. “The Spectroscopic Orbits of BV and BW Draconis”: 1986, Publications of the Astronomical Society of the Pacific, Volume 98, pp. 92-98
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1986PASP...98...92B&db_key=AST&data_type=HTML&format=&high=42b722821605233

3. Kaluzny1986
   Kaluzny, Janusz & Rucinksi, Slavek M. “The Combined Photometric and Spectroscopic Solutions for Contact Binaries BV Dra and BW Dra”: 1986, The Astronomical Journal, Volume 92, pp. 666-672
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1986AJ.....92..666K&db_key=AST&data_type=HTML&format=&high=42b722821605233