, 2014, The dynamic role of toleration in an emerging pluralism, in D. Riesenfeld & G. Scarafile (eds.), Perspectives on theory of controversies and the ethics of communication, Dordrecht, Springer, pp. 121-130.
, 2009a, Re-examination of Popper's portrayal of Socrates, in Z. Parusniková & R. S. Cohen (eds.), Rethinking Popper, Dordrecht, Springer, pp. 305-320.