@ARTICLE{
author={Potgieter JH,Kabemba MA,Teodorovic Aleksandar V,Potgieter-Vermaak SS,Augustyn WG},
year={2006},
title={An investigation into the feasibility of recovering valuable metals from solid oxide compounds by gas phase extraction in a fluidised bed},
journal={MINERALS ENGINEERING},
volume={19},
number={2},
pages={140-146},
document_type={Article},
} 

@ARTICLE{
author={Potgieter JH,Potgieter SS,Mbaya RKK,Teodorovic Aleksandar V},
year={2004},
title={Small-scale recovery of noble metals from jewellery wastes},
journal={JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY},
volume={104},
number={10},
pages={563-571},
document_type={Article},
}