@article{paperid:201135,
author = {Modir Shanehchi, Mohammad Hassan and Pariz, Naser and ابراهیم واحدی},
title = {general nonlinear modal representation of large scale power systems},
journal = {IEEE Transactions on Power Systems},
year = {2003},
volume = {18},
number = {3},
month = {August},
issn = {0885-8950},
pages = {1103--1109},
			numpages = {6},
keywords = {Modal interaction; modal series method; normal
forms of vector fields; stressed power system; system security},
}