@Book{Spengel1864,
author  = "Spengel, Leonhard",
title   = "Aristotelische Studien. Nikomachische Ethik",
year    = "1864",
address = "München",
series  = "Abhandlungen",
volume  = "10,5 : Abth. 1",
url     = "https://publikationen.badw.de/de/003832529",
}