References

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Kogan 2015
Kogan, L. 2015. Genealogical Classification of Semitic. The Lexical Isoglosses (Berlin–Boston).
Kogan 2015
L. Kogan. Genealogical Classification of Semitic. Boston–Berlin, 2015
Kogan 2020
Kogan L. E. Soqotri Lullabies. Orientalistica. 2020;3(2):443–456.