@book{23447,
	author = {Yun, Xiaochun||Wen, Weiping||Lang, Bo||Yan, Hanbing||Ding, Li||Li, Jia||Zhou, Yu},
	title = {Cyber Security},
	url = {https://library.oapen.org/bitstream/20.500.12657/23271/1/1006885.pdf}
}