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| English | Spanish |
| CD-ROM search service The provision of special aid by library staff trained to query bibliographic or other information contained on an electronic storage medium, usually to meet the research needs of the library's clients | servicio de búsqueda en CD-ROM |
| internet search service The provision of special aid by library staff trained to query bibliographic or other information contained on the Internet, a large distributed electronic system, usually to meet the research needs of the library's clients | servicio de búsqueda en Internet |