I've left Edinburgh for a permanent position in Sydney, Australia. Please send any correspondence to: Dr C. Barry Jay (Computing Methods Unit) School of Computing Sciences University of Technology, Sydney PO Box 123 Broadway NSW 2007 Australia phone: ++(61)(2) 330-1814 e-mail: cbj@socs.uts.edu.au Barry Jay ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++