@book{ title = "Leitende Ideen in der Pädagogik der Gegenwart", author = "Menzer, Paul", year = "1926", publisher = "Zickfeldt", address = "Osterwieck/Harz", language = "ger", howpublished = "print", pages = "21 cm", note = "Literaturverz. S. 110 - 112", }