@ARTICLE{
author={Hua Hongbo,Wang Hongzhuan,Gutman Ivan},
year={2020},
title={Comparing Eccentricity-Based Graph Invariants},
journal={DISCUSSIONES MATHEMATICAE GRAPH THEORY},
volume={40},
number={4},
pages={1111-1125},
document_type={Article},
} 

@ARTICLE{
author={Hua Hongbo,Gutman Ivan,Wang Hongzhuan,Das Kinkar Chandra},
year={2018},
title={Relationships between Some Distance-Based Topological Indices},
journal={FILOMAT},
volume={32},
number={17},
pages={5809-5815},
document_type={Article},
}