@ARTICLE{
author={Khalifeh Mohammad Hosein,Yousefi-Azari Hasan,Ashrafi Ali Reza,Gutman Ivan},
year={2008},
title={The edge Szeged index of product graphs},
journal={CROATICA CHEMICA ACTA},
volume={81},
number={2},
pages={277-281},
document_type={Article},
}