Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Die Eröffnung von Videoanrufen in Migrantenfamilien: Wie Großeltern ‚sprechende Köpfe ‘-Begegnungen zwischen Kindern und ihren migrierten Eltern in China organisieren
White, Harrison C.(1963): An Anatomy of Kinship. Mathematical models for structures of cumulated roles. Englewood Cliffs: Prentice-Hall.(Originalausgabe)