AAT Vokabularelement
Basisdaten
- services (en)
-
Englishinformation services (en)
centers, information (organizations) (en)
information centers (organizations) (en)
information service (en)
services, information (en)
- abstracting and indexing services (en)
- bibliographic utilities (en)
- clearinghouses (en)
- information retrieval services (en)
- reference services (en)