(17 Jul 2008)
Philos. Math. (3), Vol. 13, No. 1. (2005), pp. 1-43.
(19 Aug 2008)
EATCS Bulletin, Vol. 62 (1997), pp. 62-222.
(19 Feb 2008)
(31 Mar 2008)
(15 Aug 2008)
(14 Aug 2008)
(1995), pp. 324-333.
(12 Aug 2008)
(11 Aug 2008)
(7 Aug 2008)
(7 Aug 2008)
(7 Aug 2008)
(7 Aug 2008)
Advanced Functional Programming (1999), pp. 28-115.
ArXiv Mathematics e-prints (August 2006)
(21 Jul 2008)
(18 Jul 2008)
(16 Jul 2008)
(10 Jul 2008)
(9 Jul 2008)
(3 Jul 2008)
(25 Jun 2008)
Philosophical Studies, Vol. 33, No. 3. (1 April 1978), pp. 301-312.
Philosophia Mathematica, Vol. 2, No. 1. (1 January 1994), pp. 5-15.
(28 December 2004)
(5 Oct 2007)
(04 October 2007)
(4 Dec 2006)
(10 Jun 2008)
Mathematical Structures in Computer Science, Vol. 11, No. 02. (2001), pp. 207-260.
(18 July 1998)
(4 Dec 2007)
(14 Feb 2008)
(29 Apr 2008)
Electronic Notes in Theoretical Computer Science (January 2004), pp. 1-18.
Philosophical Transactions: Physical Sciences and Engineering, Vol. 339, No. 1652. (1992), pp. 69-86.
Theoretical Computer Science, Vol. 73, No. 1. (8 June 1990), pp. 101-112.
Logic in Computer Science, 1990. LICS '90, Proceedings., Fifth Annual IEEE Symposium on e (1990), pp. 346-354.
(1987), pp. 140-157.
Vol. 13 (1992), pp. 141-169.
Automata, Languages and Programming (1999), pp. 709-710.
(1998), pp. 280-288.
(20 Jun 2007)
(15 May 2008)
(11 May 2008)
(7 May 2008)