, 2012, Chaitin, Leibniz and complexity, in Y. Chin Drian & R. Krömer (eds.), New essays on Leibniz reception, Dordrecht, Springer, pp. 257-265.
, 2008a, The art of mathematical rationality, in M. Dascal (ed.), Leibniz, Dordrecht, Springer, pp. 141-152.