@Book{Spengel1867,
author  = "Spengel, Leonhard",
title   = "Aristotelische Studien. Poetik",
year    = "1867",
address = "München",
series  = "Abhandlungen",
volume  = "11,4 : Abth. 2",
url     = "https://publikationen.badw.de/de/003832535",
}