@ARTICLE{
author={Caporossi G,Gutman Ivan,Hansen P,Pavlovic L},
year={2003},
title={Graphs with maximum connectivity index},
journal={COMPUTATIONAL BIOLOGY AND CHEMISTRY},
volume={27},
number={1},
pages={85-90},
document_type={Article},
} 

@ARTICLE{
author={Cvetkovic Dragos M,Simic Slobodan K,Caporossi G,Hansen P},
year={2001},
title={Variable neighborhood search for extremal graphs 3. On the largest eigenvalue of color-constrained trees},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={49},
number={2},
pages={143-160},
document_type={Article},
}