1. T. GRIFFIN, A formulae-as-types notion of control, Proc. POPL, 1990.
2. W.A. HOWARD, The formulae as types notion of construction. Manuscript 1969. In: To H.B. Curry: Essays on combinatory logic, λ-calculus and formalism; Seidin, Hindley (eds.), Academic Press 1980.
3. J.L. KRIVINE, Opérateurs de mise en mémoire et traduction de Gödel. Archive for Mathematical Logic, 30(1990).
4. G. MURTHY, Classical proofs as programs: how, when, and why. Manuscript, 1991.
5. M. PARIGOT & J.L. KRIVINE, Programming with proofs. Presented at SCT'87. In EIK 26 (1990).