Columbia subject headings:
Information services.
Libraries--Automation.
Library information networks.
Library science--Data processing.
Library science--Technological innovations.
Harvard subject headings:
Information services.
Libraries--Automation
Library information networks.
Library science--Data processing
Library science--Technological innovations.
Princeton subject headings:
Information services.
Libraries--Automation.
Library information networks.
Library science--Data processing.
Library science--Technological innovations.