References Detail back created at: 2019-07-07 Media Type: Article in Journal Authors Skakun, Natalia N. & Mateva, Boryana Year: 2017 Title: The use of bone and antler as raw material in Chalcolithic Age in North-Eastern Bulgaria (on the materials from tell Polyanitsa) Download: https://docs.wixstatic.com/ugd/0735a8_e57b886a99594e11bb157d44cc1454f0.pdf Volume: 2 Page No: 243-252 JournalArchaeology of the Eurasian Steppes Keywords European timeline Chalcolithic Super Region Europe Theme raw material study Material antler, bone Miscellaneous worked bone back