1. A PANIC attack on unit roots and cointegration;Bai;Econometrica,2004
2. Panel data unit roots and cointegration: an overview;Banerjee;Oxford Bull. Econ. Stat.,1999
3. Nonstationary panels, cointegration in panels and dynamic panels, a survey;Baltagi,2000
4. Efficient tests for branching processes;Basawa;Sankhyā Ser. A,1977
5. Asymptotically UMP panel unit root tests;Becheri;Econometric Theory,2014