@book{191161,
	author = {Stallings, William. and Stallings, William.},
	title = {Cryptography and network security  (E-BOOK)},
	publisher = {Prentice Hall,},
	year = {c1999.},
	address = {Upper Saddle River, N.J. :},
	edition = {2nd ed.},
	note = {Rev. ed of: Network and internetwork security.}
}