TY - BOOK ID - do-i-20-SILC-proxy-2015 BT - Questionario proxy T2 - Questionario proxy AB - Periodo 2015 Y1 - 2016/08/11 M3 - Erhebung - Fragebogen print (ERUNT_PR) SP - 52 LA - IT UR - https://dam-api.bfs.admin.ch/hub/api/dam/assets/527985/master ER -