RelBib: Results for "118594117~" https://relbib.de/search/results?filter[]=topic_facet:"Piaget, Jean (1896-1980)"&filter[]=~language:"German"&filter[]=~relbib_notation_facet:"AE"&filter[]=~relbib_notation_facet:"TB"&lookfor=118594117~&type=AllFields