@booklet {2712,
	title = {贺信},
	journal = {年鉴信息与研究},
	year = {2009},
	pages = {4},
	keywords = {北京大学;年鉴;微电子学;五四运动;现代中国政治;软件;主席;资治通鉴;协会;北大},
	isbn = {1006-6691},
	author = {吴志攀}
}
