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Mathematical Structures in Computer Science, 9(5):617 - 650, 1999.
O. Bastonero, A. Pravato and S. Ronchi Della Rocca. Structures for lazy semantics,
Programming Concepts and Methods (PROCOMET'98). In Gries and de Roever ed(s)., pages 30 -- 48, 1998, Chaptman & Hall.
F. Honsell, A. Pravato and S. Ronchi Della Rocca. Structured Operational Semantics of a fragment of the language SCHEME,
Journal of Functional Programming, 8(4):335 -- 366, 1998.
A. Pravato and L. Roversi. considered both as a paradigmatic language and as a meta-language,
Fifth Italian Conference on Theoretical Computer Science, 1995, Salerno (Italy).
A. Pravato, S. Ronchi Della Rocca and R. Luca. Categorical Semantics of the call-by-value lambda calculus,
Proc. of TLCA'95, Second International Symposium on Typed Lambda Calculus and Applications, Lecture Notes in Computer Science, volume 902, pages 381-396, 1995, Springer-Verlag.