Though not an exhaustive list, this page provides a listing of technical and scientific papers on the subjects of grid vulnerabilities and threats.
“In science it often happens that scientists say, ‘You know that’s a really good argument; my position is mistaken,’ and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn’t happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day.”
– Carl Sagan