ACIS
ACademic Information Systems
TACIS
Technical Assistance to the Commonwealth of Independent States - Technische Hilfe zugunsten der Neuen Unabhängigen Staaten der ehemaligen Sowjetunion und der Mongolei
A
Advanced, American, Amplitude, Application, Architecture, Area, Association
A/T
American terms (insurance)
AA
American national standard code for information interchange (ASCII) Art
AAAI
American Association for Artificial Intelligence
AACR
Anglo-American Cataloging Rules