Only users registered as subscribers can enjoy the following features and services:

• Unrestricted access to all query options, including advanced search on all fields, expert search and searching through subject indexes.

•Query optimization functionalities, such as the use of search filters.

• Visualization of the complete information on the records

• No field restrictions and a larger number of exportable records per query.

• Custom services such as configurable informational alerts, management of personal bibliographies and search strategies saving.

• Unrestricted access to statistics of use.

• Universities and public agencies also have access to reports on their scientific production as covered in ÍnDICEs CSIC.