@book{29944,
	author = {Srinivasan, S.},
	title = {Digital Circuits and Systems:},
	publisher = {Indian Insitiute of Technology},
	address = {Madras},
	url = {http://video.snu.edu.in/index.php?id=4132&cat=Electronics And Communication Engineering&course=Digital Circuits and Systems&url=Phase1_Video/117106086/lec01.mp4}
}