The secondary minimum in YY Herculis: Evidence for a tidally distorted giant J. Mikołajewska, E. A. Kolotilov, S. Yu. Shugarov and B. F. Yudin A&A, 392 1 (2002) 197-201 Published online: 22 August 2002 DOI: 10.1051/0004-6361:20020936