@book{1198,
	author = { Weedy, B. M},
	title = {Electric Power Systems.},
	publisher = {John Wiley & Sons, },
	year = {2012.},
	address = {Chichester :},
	edition = {5th ed.},
	url = {https://www.amazon.co.uk/ELECTRIC-POWER-SYSTEMS-5TH-ED/dp/8126540729}
}