UY UMa

References

1. Yang2001
   Yang, Y., Liu, Q. & Leung, K.-C. “UY Ursae Majoris: A W-subtype W UMa System with a Small Mass Ratio”: 2001, Astronomy & Astrophysics, Volume 370, pp. 507-512
   http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2001A%26A...370..507Y&db_key=AST&data_type=HTML&format=&high=43131d2d5b16676