Sostaric, Renata, et al. “Archaeobotanical Components of Grave Goods in Prehistoric Tumuli 6 and 7 at the Archaeological Site of Kaptol-Gradci, Near Požega (Croatia)”. Acta Botanica Croatica, vol. 76, no. 2, Oct. 2017, https://www.abc.botanic.hr/index.php/abc/article/view/1825.