. . "155\u2013172" . . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@en . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0441\u0456\u0447\u043D\u0456 1990"@uk . . . . . . . "1990ApJ...350..155L" . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@en . . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@en . "im Januar 1990 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@nl . "Zinn R." . . . . . "Demarque P." . "350" . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@nl . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@en . "article scientifique publi\u00E9 en 1990"@fr . . "1990-01-01T00:00:00Z"^^ . . "10.1086/168370" . "wetenschappelijk artikel"@nl . "The horizontal-branch stars in globular clusters. I. The period-shift effect, the luminosity of the horizontal branch and the age-metallicity relation"@nl . "Lee Y.-W." . .