%0 Journal Article %T Vulnerability Analysis of Power Grids Using Modified Centrality Measures %A Francisco Gutierrez %A E. Barocio %A F. Uribe %A P. Zuniga %J Discrete Dynamics in Nature and Society %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/135731 %U http://dx.doi.org/10.1155/2013/135731