D. de Groene, P. Zidarov, N. Elenski, Y. van den Hurk, T. van Kolfschoten, and C. Çakirlar, “Pigs and humans in Early Neolithic South-eastern Europe: New zooarchaeological and stable isotopic data from late 7th-early 6th millennium BC Džuljunica-Smărdeš, Bulgaria”, Doc. praeh., vol. 45, pp. 38–51, Dec. 2018, doi: 10.4312/dp.45.4.