* Witt-Hansen, J., "H.C. Ørsted, Immanuel Kant and the Thought Experiment", "Danish Yearbook of Philosophy", Vol.13, (1976), pp.
* Witt-Hansen, J., "H.C. Ørsted, Immanuel Kant and the Thought Experiment", "Danish Yearbook of Philosophy", Vol.13, (1976), pp.