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Muterspaugh, Matthew W.; Wijngaarden, M. J. P.; Henrichs, H. F.; Lane, Benjamin F.; Hartkopf, William I.; Henry, Gregory W.; Schaefer, Gail H.; Farrington, Chris et al. (2015). “PREDICTING THE α COMAE BERENICES TIME OF ECLIPSE: HOW 3 AMBIGUOUS MEASUREMENTS OUT OF 609 CAUSED A 26 YEAR BINARY’S ECLIPSE TO BE MISSED”. The Astronomical Journal150 (5): 140. doi:10.1088/0004-6256/150/5/140. ISSN1538-3881.