- E. Ballico, E. Gasparim, and T. Kölppe, Vector bundles near negative curves: moduli and local Euler characteristic, Comm. Algebra 37 (2009), no. 8, 2688–2713.
- Edoardo Ballico, Antonio Cossidente, and Alessandro Siciliano, External flats to varieties in symmetric product spaces over finite fields, Finite Fields Appl. 9 (2003), no. 3, 300–309.[MR/doi]