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| 1 | Forde, N.W., Nebraska Cuneiform Texts of the Sumerian Ur Dynasty, Lawrence 1967 |
| 2 | Civil, M., The Farmer's Instructions. A Sumerian Agricultural Manual, Aula Orientalis - Supplementa 5, Sabadell 1994 |
| http://oracc.museum.upenn.edu/epsd2/P121753 |
| http://cdli.earth/P121753 |