Information systems
Subtitle: effectiveness for the user : proceedings 18th Annual Technical Symposium ... Gaithersburg, Md., ... 1979
By: edited by PaulA. Wallis.
Contributors: Wallis, Paul A.; Annual Technical Symposium, (18th : 1979 : Gaithersburg)
Publisher: [Association for Computing Machinery]
Published: 1979
Place of publication: Washington, D.C
Language: eng