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© 2009 Nataļja Kurjāne, Rūta Brūvere, Natālija Gabruševa, Elvīra Hagina, Tija Zvagule, Inta Jaunalksne, Guna Feldmane, Ārija Volrāte, Natālija Voskresenska, published by Latvian Academy of Sciences
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