@article{Jooyandeh2009Incidence, author = "Mohammadreza Jooyandeh and Dariush Kiani and Maryam Mirzakhah", title = "Incidence Energy of a Graph", journal = "MATCH Commun. Math. Comput. Chem.", year = "2009", volume = "62", number = "3", pages = "561-572", issn="0340-6253", }