, 2002, 'Cause and explanation in ancient Greek thought', Philosophy and Phenomenological Research 65 (2), 481-484.
, 1993, 'Aristotle on the non-supervenience of local motion', Philosophy and Phenomenological Research 53, 143-155.
, 1988a, 'The unimportance of being random', Synthese 76 (1), 171-178.