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| 1 | Nikol'skij, M., Документы хозяйственной отчетности древней Халдеи из собрания Н.П. Лихачева / Ч.II, Эпоха династии Агаде и эпоха династии Ура [Documents of Economic Accounting from Ancient Chaldea in the Collection of N.P. Likhachev. Vol. II. The Age of the Agade Dynasty and the Age of the Ur Dynasty], Drevnosti Vostocnya 5, Moscow 1915 |
| 2 | Mirelman, S., “The Ala-Instrument: Its Identification and Role”, J. Goodnick-Westenholz, Y. Maurey, and E. Seroussi (eds.), Music in Antiquity: the Near East and the Mediterranean, Yuval. Studies of the Jewish Music Research Centre 8, Berlin 2014, pp. 148-171 |
| http://oracc.museum.upenn.edu/epsd2/P122189 |
| http://cdli.earth/P122189 |