1. [Ab] Aberbach, I.: Tight closure inF-rational rings. (Preprint)
2. [An1] André, M.: Cinq Exposés sur la desingularization. (Preprint)
3. [Ar1] Artin, M.: Algebraic approximation of structures over complete local rings. Publ. Math., Inst. Hautes Étud. Sci.36, 23?58 (1969)
4. [Ar2] Artin, M.: On the joins of Hensel rings. Adv. Math.7, 282?296 (1971)
5. [AHH] Aberbach, I., Hochster, M., Huneke, C.: Localization of tight closure and modules of finite phantom projective dimension. J. Reine Angew. Math.434, 67?114 (1993).