Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en online reference services300150784on-line reference servicesonline reference servicereference services, onlineservices, online reference Automated reference services which provide direct answers to users' queries, or provide direct access to electronically stored databases containing the needed information. For automated information services which provide data either directly or in the form of citations to data sources, use "information retrieval services." servei de referència en línia servicio de referencia en línea 2026-03-30 20:31:33