TY - BOOK ID - do-i-20-SILC-proxy-2017 BT - Questionario proxy T2 - Questionario proxy AB - Periodo 2017 Y1 - 2016/12/22 M3 - Erhebung - Fragebogen print (ERUNT_PR) SP - 31 LA - IT UR - https://dam-api.bfs.admin.ch/hub/api/dam/assets/1687511/master ER -