@ARTICLE{
author={Premovic Pavle I,Tonsa IR,Pajovic MT,Lopez L,Monaco SL,Djordjevic Dragan M,Pavlovic Mirjana S},
year={2001},
title={Electron spin resonance study of the kerogen/asphaltene vanadyl porphyrins: air oxidation},
journal={FUEL},
volume={80},
number={5},
pages={635-639},
document_type={Article},
}