@article {7221,
	title = {Testing step-size limits for solving the linearized current voltage AC optimal power flow},
	journal = {FERC Staff Technical Paper. http://www. ferc. gov/industries/electric/indus-act/market-planning/opfpapers/acopf-9-stepsizelimits-iliv-acopf. pdf},
	year = {2013},
	author = {Campaigne, Clay and Lipka, Paula A and Pirnia, Mehrdad and O{\textquoteright}Neill, Richard P and Oren, Shmuel}
}
