1. The B-book: Assigning Programs to Meanings;Abrial,1996
2. The type theoretic interpretation of constructive set theory;Aczel,1978
3. Peter Aczel, Michael Rathjen, Notes on constructive set theory. Technical Report 40, Institut Mittag-Leffler, The Royal Swedish Academy of Sciences, 2000/2001.
4. Proof theory at work: Program development in the Minlog system;Benl,1998
5. Term rewriting and all that;Baader,1998