Trisovic, Nemanja; Bozic, Bojan; Obradovic, Ana; Stefanovic, Olgica; Markovic, Snezana; Comic, Ljiljana; Bozic, Biljana; Uscumlic, Gordana Journal of the Serbian Chemical Society, 2011 , vol. 76, # 12 p. 1597 - 1606