Ducheyne, Steffen. "Kant and Whewell on Bridging Principles between Metaphysics and Science" Kant-Studien, 102.1 (2011): 22-45. Retrieved 23 May. 2013, from doi:10.1515/kant.2011.002

Ducheyne, S. (2011). Kant and Whewell on Bridging Principles between Metaphysics and Science. Kant-Studien, 102(1), pp. 1-144. Retrieved 23 May. 2013, from doi:10.1515/kant.2011.002

Ducheyne, Steffen. 2011. Kant and Whewell on Bridging Principles between Metaphysics and Science. Kant-Studien. 102(1): 1-144. Retrieved 23 May. 2013, from doi:10.1515/kant.2011.002