@misc{Sikora_Jerzy_To_2015, author={Sikora, Jerzy and Kittel, Piotr and Wroniecki, Piotr}, volume={53}, copyright={Creative Commons Attribution BY-SA 3.0 PL license}, address={Warszawa}, journal={Archaeologia Polona}, howpublished={online}, year={2015}, publisher={Institute of Archaeology and Ethnology Polish Academy of Sciences}, language={eng}, type={Text}, title={To not see the forest for the trees. A non-invasive approach to the Góra Chełmo medieval hillfort}, URL={http://www.rcin.org.pl/iae/Content/87016/PDF/WA308_92346_P357_To-not-see-the-fores.pdf}, keywords={magnetometic gradiometry, phosphate fiber, electrical resistivity, LiDAR, aerial photography, Middle Ages}, }