@ARTICLE{
author={Relic Dubravka J,Djordjevic Dragana S,Sakan Sanja M,Andjelkovic Ivan B,Pantelic Ana S,Stankovic Ratomir,Radojicic Ana,Popovic Aleksandar R},
year={2013},
title={An appraisal of conventional, microwave and ultrasound BCR extraction methods for the analysis of metals in sediments of Pancevo, Serbia},
journal={PROCEEDINGS OF THE 16TH INTERNATIONAL CONFERENCE ON HEAVY METALS IN THE ENVIRONMENT},
volume={1},
number={},
pages={-},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Relic Dubravka J,Djordjevic Dragana S,Sakan Sanja M,Andjelkovic Ivan B,Pantelic Ana S,Stankovic Ratomir,Popovic Aleksandar R},
year={2013},
title={Conventional, microwave, and ultrasound sequential extractions for the fractionation of metals in sediments within the Petrochemical Industry, Serbia},
journal={ENVIRONMENTAL MONITORING AND ASSESSMENT},
volume={185},
number={9},
pages={7627-7645},
document_type={Article},
}