Reflections on Marxian DialecticsWITT-HANSEN J.Poznan Studies in the Philosophy of the Sciences and the Humanities. 1976, Vol 2, Num 4, pp 73-88Article

FUTUROLOGIE, DIALECTIQUE, MATERIALISME HISTORIQUE EN POLONAISWITT-HANSEN J.STUDIA FILOZOFICZNE. 1974, Vol 18, Num 3, pp 53-59Article

Reflections on Time and on the Physical Concepts Related to TimeWITT-HANSEN, J.Danish yearbook of philosophy. 1984, Vol 21, pp 61-70, issn 0070-2749Article

Reflections on Time and on the Physical Concepts Related to TimeWITT-HANSEN, J.Danish Year-Book of Philosophy Kobenhavn. 1984, Vol 21, pp 61-70Article

Leibniz, Hoffding, and the Ekliptika CircleWITT-HANSEN, J.Danish Year-Book of Philosophy Kobenhavn. 1980, Vol 17, pp 31-58Article

Kriegswissenschaft, Friedensphilosophie und Moderne Zukunftsforschung. (Polémologie, philosophie de la paix et prospective moderne)WITT-HANSEN, J.Conceptus. Zeitschrift fur Philosophie Salzburg. 1982, Vol 16, Num 39, pp 70-85Article

Marx's Method in Social Science, and Its Relationship to Classical and Modern Physics and MathematicsWITT-HANSEN, J.Poznan Studies in the Philosophy of the Sciences and the Humanities Amsterdam. 1977, Vol 3, Num 1-4, pp 1-41Article

Some Remarks on Postulates of Impotency and their Impact on the Problems of Space and TimeWITT-HANSEN, J.Danish yearbook of philosophy. 1986, Vol 23, pp 229-242, issn 0070-2749Article