@ARTICLE{
author={Gutman Ivan,Salem K},
year={2010},
title={A fully benzenoid system has a unique maximum cardinality resonant set},
journal={ACTA APPLICANDAE MATHEMATICAE},
volume={112},
number={1},
pages={15-19},
document_type={Article},
} 

@ARTICLE{
author={Salem K,Klavzar Sandi,Gutman Ivan},
year={2006},
title={On the role of hypercubes in the resonance graphs of benzenoid graphs},
journal={DISCRETE MATHEMATICS},
volume={306},
number={7},
pages={699-704},
document_type={Article},
} 

@ARTICLE{
author={Salem K,Zheng ML,Gutman Ivan},
year={2005},
title={Pair-wise resonance in catacondensed hexagonal systems},
journal={CHEMICAL PHYSICS LETTERS},
volume={416},
number={1-3},
pages={38-41},
document_type={Article},
} 

@ARTICLE{
author={Salem K,Gutman Ivan},
year={2005},
title={The unfixed subgraph of a catacondensed hexagonal system obtained by fixing an alternating set},
journal={JOURNAL OF MATHEMATICAL CHEMISTRY},
volume={38},
number={4},
pages={503-510},
document_type={Article},
} 

@ARTICLE{
author={Salem K,Gutman Ivan},
year={2004},
title={Clar number of hexagonal chains},
journal={CHEMICAL PHYSICS LETTERS},
volume={394},
number={4-6},
pages={283-286},
document_type={Article},
}