Alirzayeva, E. G., Shirvani, T. S., Yazici, M. A., Alverdiyeva, S. M., Shukurov, E. S., Ozturk, L., … Cakmak, I. (2006). Heavy metal accumulation in Artemisia and foliaceous lichen species from the Azerbaijan flora. Forest Snow and Landscape Research, 80(3), 339-348.