@book{37640,
	author = {"Dube, D.C."},
	title = {Electronics:},
	publisher = {Indian Insitiute of Technology},
	address = {Delhi},
	url = {http://video.snu.edu.in/index.php?id=10950&cat=Physics&course=Electronics&url=Phase2_Video/115102014/mod04lec20.mp4}
}