@ARTICLE{
author={Taski-Ajdukovic Ksenija J,Vasic Dragana M,Nagl Nevena M},
year={2006},
title={Regeneration of interspecific somatic hybrids between Helianthus annuus L. and Helianthus maximiliani (Schrader) via protoplast electrofusion},
journal={PLANT CELL REPORTS},
volume={25},
number={7},
pages={698-704},
document_type={Article},
} 

@ARTICLE{
author={Malencic Djordje R,Vasic Dragana M,Popovic Milan T,Devic D},
year={2004},
title={Antioxidant systems in sunflower as affected by oxalic acid},
journal={BIOLOGIA PLANTARUM},
volume={48},
number={2},
pages={243-247},
document_type={Article},
} 

@ARTICLE{
author={Vasic Dragana M,Pajevic Slobodanka P,Saric M,Vasiljevic Ljubinko,Skoric Dragan},
year={2001},
title={Concentration of mineral elements in callus tissue culture of some sunflower inbred lines},
journal={JOURNAL OF PLANT NUTRITION},
volume={24},
number={12},
pages={1987-1994},
document_type={Article},
} 

@ARTICLE{
author={Vasic Dragana M,Alibert G,Skoric Dragan},
year={2001},
title={Protocols for efficient repetitive and secondary somatic embryogenesis in Helianthus maximiliani (Schrader)},
journal={PLANT CELL REPORTS},
volume={20},
number={2},
pages={121-125},
document_type={Article},
}