A minimum in the light curve of the classical symbiotic star YY Her in 2001.
DOI: 10.1134/1.1505506
Bibcode: 2002AstL...28..620K
Kolotilov, E. A.; Yudin, B. F.; Tatarnikova, A. A.; Shugarov, S. Y.
Russia
2002
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Astronomy Letters
IUE
1