@patent {12700,
	title = {一种多层索引语音文档检索方法},
	volume = {ZL200910131828.X},
	year = {2009},
	edition = {China},
	chapter = {CN},
	author = {吴玺宏 and 迟惠生 and 曲天书 and 万广鲁}
}
