TY - BOOK ID - do-i-20-SILC-proxy-2013 BT - Questionario proxy T2 - Questionario proxy AB - Periodo 2013 Y1 - 2016/08/11 M3 - Erhebung - Fragebogen print (ERUNT_PR) SP - 53 LA - IT UR - https://dam-api.bfs.admin.ch/hub/api/dam/assets/529978/master ER -