篇号：1
题名：Instrumental Variable Estimation of Nonparametric Models
作者：Whitney K. Newey and James L. Powell
期刊全称或缩写,年份，卷（期），起止页码：Econometrica, Vol. 71, No. 5 (Sep., 2003), pp. 1565-1578
电子链接:http://www.jstor.org/pss/1555512

篇号：2
题名：Strong laws of large numbers for dependent heterogeneous processes: a synthesis of recent and new results
作者：James Davidson; Robert de Jong
期刊全称或缩写,年份，卷（期），起止页码：Econometric Reviews, Volume 16, Issue 3 1997 , pages 251 - 279
电子链接:http://www.informaworld.com/smpp/content?content=10.1080/07474939708800387

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