HW Per

References

1. Samec1998
   Samec, Ronald G., Carrigan, Brian J. & McDermith, Richard J. “HW Persei: an Eclipsing Binary at Critical Contact?”: 1998, The Astronomical Journal, Volume 116, pp. 2549-2555
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1998AJ....116.2549S&db_key=AST&high=3f2ea4260a24891