TY - BOOK ID - do-i-20-SILC-proxy-2021 BT - Questionario proxy T2 - Questionario proxy AB - Periodo 2021 Y1 - 2021/03/03 M3 - Erhebung - Fragebogen print (ERUNT_PR) SP - 35 LA - IT UR - https://dam-api.bfs.admin.ch/hub/api/dam/assets/16244359/master ER -