...University

South Parks Road, OX1 3UD, Oxford, UK, email: jocelyn.paine@psy.ox.ac.uk

...Athens

Ktirio Genikon Edron, Politechniopolis, Zografou, Athens, Greece, email: petros@math.ntua.gr

Jocelyn Ireson-Paine
Mon Jan 12 14:15:07 GMT 1998