@article {周昌令2007校园网用户定位系统设计与实现,
	title = {校园网用户定位系统设计与实现},
	journal = {中国教育网络},
	number = {2},
	year = {2007},
	pages = {30{\textendash}32},
	author = {周昌令 and 崔建 and 尚群 and 张蓓}
}
