Zhang X-W, Gui H, Liu Z-R, Gu B-L. Phase transition of ergodic space shrinking in succession and relaxor ferroelectrics. Physics Letters, Section A: General, Atomic and Solid State Physics. 1999;(3):219-222.

Gu B-L, Gui H, Liu Z-R, Zhang X-W. Possible order-disorder phase diagrams in (A′xA″1 - X)BO3 and A(B′xB″1 - x)O3 complex perovskites. Journal of Applied Physics. 1999;(4):2408-2413.

Liu Z-R, Gu B-L, Gui H, Zhang X-W. Transient ordered phases with different structure types along a phase-decomposition path. Physical Review B - Condensed Matter and Materials Physics. 1999;(1):16-19.