@article{Warburton2020,
author = {Warburton, David A.},
year = {2020},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {Introduction: Interaction on the Edge of the Earliest Empires},
volume = {Special Volume 7},
pages = {1 - 21},
url = "http://dx.doi.org/10.17169/refubium-28125",
}