1. [Abadi 1994] M. Abadi, Baby Modula-3 and a theory of objects. Journal of Functional Programming (to appear).
2. [Abadi, Cardelli 1994] M. Abadi and L. Cardelli. A theory of primitive objects: second-order systems. Proc. ESOP'94 — European Symposium on Programming. Springer-Verlag.
3. [Abadi, Cardelli 199X] M. Abadi and L. Cardelli, A theory of primitive objects. To appear.
4. [Abadi, et al. 1991] M. Abadi, L. Cardelli, B. Pierce, and G.D. Plotkin, Dynamic typing in a statically typed language. ACM Transactions on Programming Languages and Systems
13(2), 237–268.
5. [Amadio, Cardelli 1991] R.M. Amadio and L. Cardelli. Subtyping recursive types. Proc. 18th Annual ACM Symposium on Principles of Programming Languages.