Vanishing Theorems for the Intersection Homology of Stein Spaces. Ludger Kaup, Karl-Heinz Fieseler (1988) Mathematische Zeitschrift
Varieties whose hyperplane section are ℙ ℂ k bundles Maria Lucia Fania, Andrew John Sommese (1988) Annali della Scuola Normale Superiore di Pisa - Classe di Scienze