, 2018, A philosophical approach for distinguishing "green design" from environmental art, in P. E. Vermaas & S. Vial (eds.), Advancements in the philosophy of design, Dordrecht, Springer, pp. 15-32.
, 2015a, 'Biodiversity: regarding its role as a bio-indicator for human cultural engagement', Rivista di estetica 59, 114-128.