@book{14341,
	author = {Heier, Siegfried.},
	title = {Grid Integration of Wind Energy :Onshore and Offshore Conversion Systems},
	publisher = {Wiley,},
	year = {2014.},
	address = {Germany},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/1119962943/chopaconline-20}
}