篇名：Estimation of nonstationary heterogeneous panels
作者：Edward F. Blackburne III; Mark W. Frank
来源：Stata Journal；Volume (Year): 7 (2007)  Issue (Month): 2 (June) Pages: 197-208
链接：http://ideas.repec.org/a/tsj/stataj/v7y2007i2p197-208.html
谢谢！