@ARTICLE{
author={Gutman Ivan,Radenkovic Slavko,Linert Wolfgang},
year={2010},
title={Pairwise energy effect of cyclic conjugation in benzo-annelated perylenes},
journal={MONATSHEFTE FUR CHEMIE},
volume={141},
number={4},
pages={401-407},
document_type={Article},
} 

@ARTICLE{
author={Radenkovic Slavko,Linert Wolfgang,Gutman Ivan,Jeremic Svetlana},
year={2009},
title={Pairwise energy effects of rings in benzo-annelated perylenes},
journal={INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY},
volume={48},
number={12},
pages={1657-1661},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Linert Wolfgang,Lukovits I,Tomovic Zeljko},
year={2000},
title={On the multiplicative Wiener index and its possible chemical applications},
journal={MONATSHEFTE FUR CHEMIE},
volume={131},
number={5},
pages={421-427},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Linert Wolfgang,Lukovits I,Tomovic Zeljko},
year={2000},
title={The multiplicative version of the Wiener index},
journal={JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES},
volume={40},
number={1},
pages={113-116},
document_type={Article},
}