@book{22207,
	author = {Prasad, Dr. K.V.K.K.},
	title = {Principles of Digital Communication Systems and Computer Networks},
	publisher = {DreamTech press},
	year = {2003},
	address = {New Delhi},
	url = {https://libgen.is/book/index.php?md5=B55CC3CEA0D66DA17BAC19FF0436CC77}
}