Extremal rational elliptic surfaces in characteristic p. I. Beauville surfaces. William E. Lang — 1991 Mathematische Zeitschrift
Examples of liftings of surfaces and a problem in de Rham cohomology William E. Lang — 1995 Compositio Mathematica
Quasi-elliptic surfaces in characteristic three William E. Lang — 1979 Annales scientifiques de l'École Normale Supérieure
A Short Proof of the Rydakov-Safarevic Theorem. William E. Lang; Niels O. Nygaard — 1980 Mathematische Annalen