Schwall, C.; Brandl, M.; Börner, M.; Lindauer, S.; Deckers, K.; Riehl, S.; Cramer, A.; Hauzenberger, C.; Yousif, E.; Jasim, S. A. The 2021 Field Season at Kalba: Results of the Excavations and Geoarchaeological Surveys. PSAS 2023, 52, 305-323.