@book{7020,
	author = {Comer, Douglas E.},
	title = {Internetworking with TCP/IP Principles,Protocols, and Architectures},
	publisher = {Prentice Hall },
	year = {2005},
	address = {New Delhi},
	edition = {4th},
	url = {https://libgen.is/book/index.php?md5=A320152766B25CE104BC4FC75FC5B83D}
}