"Titelei" Kant-Studien, 31-60.S1 (2009): -. Retrieved 18 May. 2013, from doi:10.1515/kant.1970.31-60.S1.0

Titelei. Kant-Studien (2009), 31-60(S1), pp. 1-381. Retrieved 18 May. 2013, from doi:10.1515/kant.1970.31-60.S1.0

Titelei. Kant-Studien. 2009. 31-60(S1): 1-381. Retrieved 18 May. 2013, from doi:10.1515/kant.1970.31-60.S1.0