@book{35892,
	author = {Haarla, Liisa. and Koskinen, Mikko. and SpringerLink (Online service)},
	title = {Transmission Grid Security},
	publisher = {Springer London,},
	year = {2011.},
	series = {Power Systems,},
	address = {London :},
	url = {http://dx.doi.org/10.1007/978-0-85729-145-5}
}