1. Non-Well-Founded Sets;Aczel,1988
2. The Liar: An Essay on Truth and Circular Propositions;Barwise,1987
3. On a modification of Gödel’s algorithm for class formation;Belinfante;Association for Automated Reasoning News Letter,1996
4. On Quaife’s development of class theory;Belinfante;Association for Automated Reasoning Newsletter,1997
5. Computer proofs in Gödel’s class theory with equational definitions for composite and cross;Belinfante;Journal of Automated Reasoning,1999