1. Term Rewriting and All That;Baader,1998
2. E. Barendsen. Term graph rewriting, in: Term Rewriting Systems [31], pp. 712–743, chapter 13.
3. Infinite λ-calculus and non-sensible models;Berarducci,1996
4. Infinite λ-calculus and types;Berarducci;Theoretical Computer Science,1999
5. An approximation based approach to infinitary lambda calculi;Blom,2004