@ARTICLE{
author={Cardoso Domingos M,Carvalho Paula,Rama Paula,Simic Slobodan K,Stanic Zoran},
year={2017},
title={Lexicographic Polynomials of Graphs and Their Spectra},
journal={APPLICABLE ANALYSIS AND DISCRETE MATHEMATICS},
volume={11},
number={2},
pages={258-272},
document_type={Article},
} 

@ARTICLE{
author={Barbedo Ines,Cardoso Domingos M,Cvetkovic Dragos M,Rama Paula,Simic Slobodan K},
year={2014},
title={A recursive construction of the regular exceptional graphs with least eigenvalue-2},
journal={PORTUGALIAE MATHEMATICA},
volume={71},
number={2},
pages={79-96},
document_type={Article},
} 

