@ARTICLE{
author={Djurka Dusica,Pfendt Petar A,Jovancicevic Branimir S,Cvetkovic Olga G,Wehner Herman},
year={2005},
title={Natural bitumens versus oil pollution in the Vlasina lake peat},
journal={ENVIRONMENTAL CHEMISTRY LETTERS},
volume={3},
number={1},
pages={39-42},
document_type={Article},
}