Fediuk, Annika, Ercan Erkul, Tina Wunderlich, and Wolfgang Rabbel. 2015. “Comparative Study of the Accuracy of Caesium, Overhauser and Fluxgate Magnetometers in Field Conditions”. Archaeologia Polona 53 (January):627-29. https://journals.iaepan.pl/apolona/article/view/418.