, 2014, A controversy that never happened: ancient and modern concepts of opinion, knowledge, and information-seeking behavior, in D. Riesenfeld & G. Scarafile (eds.), Perspectives on theory of controversies and the ethics of communication, Dordrecht, Springer, pp. 199-208.
, 1998, Review: , , Husserl Studies 15 (2), pp. 137-140.
with Fetz, R. L. , Rath, M. , 1993, 'Vorwort', Phänomenologische Forschungen 26/27, 9-14.
, 1993, 'Die Schrift „Einführung in die Philosophie“', Phänomenologische Forschungen 26/27, 228-255.
with Fetz, R. L. , Rath, M. (eds) , 1993a, Phänomenologische Forschungen 26/27.