id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
gc-880	Životić, Dragana; Cvetković, Olga; Vulić, Predrag; Gržetić, Ivan; Simić, Vladimir; Ilijević, Konstantin; Dojčinović, Biljana; Erić, Suzana; Radić, Bogdan; Stojadinović, Sanja; Trifunović, Snežana	Distribution of major and trace elements in the Kovin lignite (Serbia)	2019	29	.pdf	application/pdf	18598	636	63	Coal seam II The geochemical composition of coal seam II shows some diffe­ rences between fields A and B. Organic matter of the lignites from both coalfields was derived from herbs and shrubs with variable amounts of woody vegetation (MITROVIĆ et al., 2016). The content of As, Cr, Ni, Pb, V and Zn in seam II coal is several times higher in comparison with the Clarke values for brown coal (KETRIS & YUDOVICH, 2009).	cache/gc-880.pdf	txt/gc-880.txt