Publications of Lieberman, O.

Lieberman O, Mátyás L. Approximate estimation in nonlinear panel data models. Communications in Statistics-Simulation and Computation. 1997;26(3):1177-95.
Lieberman O, Mátyás L. Improved Estimation Procedures. In: Matyas L, Sevestre P, editors. The econometrics of panel data: A handbook of the theory with applications. Boston and London: Kluwer Academic; 1996. p. 573-82.