1
Published: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Mathematics - <1990
2
Published: 1976
Superior document: Schriftenreihe Didaktik der Mathematik 1
Links: Inhaltsverzeichnis
3
Published: 1979
Superior document: Schriftenreihe Didaktik der Mathematik 2
Links: Inhaltsverzeichnis