1. A. Albano and A. Collino, On the Griffiths group of the cubic sevenfold, to appear in Math. Ann.
2. F. Bardelli, On Grothendieck generalized Hodge conjecture for a family of threefolds with geometric genus one, in: Proceedings of the Conference in Algebraic Geometry (Berlin 1985), Teubner-Texte Math. 92 (1986), 14–23.
3. F. Bardelli and S. Miiller-Stach, Algebraic cycles on certain Calabi-Yau threefolds, preprint, Pisa 1992.
4. S. Bloch, Semi-regularity and De Rham cohornology, Invent. Math. 17 (1972), 51–66.
5. S. Bloch, Lectures on algebraic cycles, Duke Univ. Math. Series IV, 1980.