Columbia subject headings:
Computer networks--Government policy.
Data protection--Government policy.
Earth resources technology satellites.
Electronic data processing--Government policy.
International business enterprises--Communication systems.
International business enterprises--Data processing.
Landsat satellites.
Remote sensing.
Harvard subject headings:
Earth resources technology satellites.
Information services.
Information storage and retrieval systems--International business enterprises
International business enterprises--Communication systems.
Landsat satellites.
Remote sensing--Data processing.
Remote sensing.
Princeton subject headings: