Authors: Vassileva, E Velev, V Daiev, C Stoichev, T Martin, M Robin, D Haerdi, W

Citation: E. Vassileva et al., Assessment of heavy metals air pollution in urban and industrial environments using oak leaves as bioindicators, INT J ENV A, 78(2), 2000, pp. 159-173

Authors: Vassileva, E Hadjiivanov, K Stoychev, T Daiev, C

Citation: E. Vassileva et al., Chromium speciation analysis by solid-phase extraction on a high surface area TiO2, ANALYST, 125(4), 2000, pp. 693-698