Zarić, N. M., Ilijević, K., Stanisavljević, L., & Gržetić, I. (2018). Use of honeybees (Apis mellifera L.) as bioindicators of spatial variations and origin determination of metal pollution in Serbia. Journal of the Serbian Chemical Society, 83(6), 773–784. https://doi.org/10.2298/JSC171110018Z