‘Addendum 2: Some Principles for a New Professional Ethics Based on Xenophanes’ Theory of Truth’, in Karl R. Popper, Arne F. Petersen (ed.) with the assistance of Jorgen Mejer, The World of Parmenides: Essays on the Presocratic Enlightenment, New York: Routledge, pp. 62–67

DOI link for ‘Addendum 2: Some Principles for a New Professional Ethics Based on Xenophanes’ Theory of Truth’, in Karl R. Popper, Arne F. Petersen (ed.) with the assistance of Jorgen Mejer, The World of Parmenides: Essays on the Presocratic Enlightenment, New York: Routledge, pp. 62–67

‘Addendum 2: Some Principles for a New Professional Ethics Based on Xenophanes’ Theory of Truth’, in Karl R. Popper, Arne F. Petersen (ed.) with the assistance of Jorgen Mejer, The World of Parmenides: Essays on the Presocratic Enlightenment, New York: Routledge, pp. 62–67