, 2017, Nature (or not) in Heidegger, in G. Kuperus & M. Oele (eds.), Ontologies of nature, Dordrecht, Springer, pp. 135-157.
, 1999a, 'Rethinking ecology in the western philosophical tradition: Heidegger and/on Aristotle', Continental Philosophy Review 32 (4), 409-420.