On the Degree of the Discriminant Locus of a Smooth Sectional Surface of a (n + 2)-fold with Nonnegative Kodaria Dimension. A. Biancofiore — 1988 Monatshefte für Mathematik
On the Complexity of the Projective Classification of Surfaces. A. Biancofiore; E.L. Livorni — 1995 Monatshefte für Mathematik