Weak positivity and the stability of certain Hilbert points. Eckart Viehweg (1989) Inventiones mathematicae
Weak positivity and the stability of certain Hilbert points, II. E. Viehweg (1990) Inventiones mathematicae
Weil-Petersson Metric in the Moduli Space of Compact Polarized Kähler-Einstein Manifolds of Zero First Chern Class. Antonella Nannicini (1986) Manuscripta mathematica