1. �dlandsvik, B.: Joins and higher secant varieties, preprint, Bergen, 1984
2. Ballico, E., Ellia, Ph.: On postulation of curves in ?4, Math. Z.188, 215?223 (1985)
3. Ballico, E., Ellia, Ph.: The maximal rank conjecture for non-special curves in ?3. Invent. Math.79, 541?555 (1985)
4. Ballico, E., Ellia, Ph.: On the hypersurfaces containing a general projective curve, Compositio Math.60, 85?95 (1986)
5. Ballico, E., Ellia, Ph.: On the postulation of many disjoint rational curves in ? N ,N?4, Bollettino U.M.I. (6)4-B, 585?599 (1985)