Hahmann, Andree. “Is Freedom the Truth of Necessity? Thing-in-Itself As the Ground of Apperance in Kant’s Philosophy”. Studies in the History of Philosophy 1, no. 1 (December 30, 2010): 103–117. Accessed December 6, 2021. https://apcz.umk.pl/szhf/article/view/szhf.2010.007.