American Automobile Association 
American Arbitration Association 
American Anthropological Association 
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Avionics Air Assembly 
Astronaut Actuated Abort 
ATM Access Adapter 
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Administrative Appeal Authority 
Advanced Aircraft Analysis 
Advanced Antennas and Arrays 
Advanced Architectures and Automation 
Advanced Avionics Architecture 
Agency Allegations Advisor 
Amateur Athletic Association 
Architects Association of Australia 
Architectural Aluminium Association) 
Asp Application Aggregator 
ASSOCIATION AUXILIAIRE DE L'AUTOMOBILE 
Astronomy and Astrophysics Abstract 
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