"lˈɛvəlz ʌv ɹˌɛpɹᵻzˈɛntˈeɪʃən ænd lˈɛvəlz ʌv ɹɪˈælᵻɾi: təwˈɔːɹdz ɐn ɑːntˈɑːlədʒi ʌv sˈaɪəns", ɪnðə kˈɑːnsɛpt ʌv nˈeɪtʃɚɹ ɪn sˈaɪəns ænd θɪˈɑːlədʒi pˈɑːɹt ɹˌoʊmən tˈuː, ɪn kəlˌæbɚɹˈeɪʃən wɪð mˈɪtʃəl kˈæməs, tɪˈɛɹi mˈæɡnɪn ˈɛt kˈæɹəŋklˈɛɹ vˈɑːs, ɪdˈɪʃənz lˈeɪbɚɹ ˈɛt fˈaɪdz, dʒˈɛnɛv, nˈaɪntiːnhˈʌndɹɪd nˈaɪnti ˈeɪt, pˌiːpˈiː. nˈaɪnti fˈoːɹ wˈʌnhˈʌndɹɪd θɹˈiː, ˈɛdɪɾᵻd baɪ nˈiːlz ˈeɪtʃ. ɡɹˈɛdʒɜːsən, mˈaɪkəl dˈʌbəljˌuː.ˈɛs. pˈɑːɹsənz ænd kɹˈɪstɑːf wˈɑːsɚmən.
"Levels of Representation and Levels of Reality: Towards an Ontology of Science", in The Concept of Nature in Science and Theology (part II), in collaboration with Michel Camus, Thierry Magnin et Karen-Claire Voss, Éditions Labor et Fides, Genève, 1998, pp. 94–103, edited by Niels H. Gregersen, Michael W.S. Parsons and Christoph Wassermann.