ACM Computing Surveys, Volume 21

Volume 21, Number 1, March 1989

• H. Rex Hartson, Deborah Hix: Human-Computer Interface Development: Concepts and Systems for Its Management. 5-92
• Kevin Knight: Unification: A Multidisciplinary Survey. 93-124

Volume 21, Number 2, June 1989

• Bruce Abramson: Control Strategies for Two-Player Games. 137-161
• Thomas Ellman: Explanation-Based Learning: A Survey of Programs and Perspectives. 163-221
• Charles J. Colbourn, Paul C. van Oorschot: Applications of Combinatorial Designs in Computer Science. 223-250 , see comments inACM Computing Surveys 22(2): 171 (1990)

Volume 21, Number 3, September 1989

• Peter Wegner: Guest Editor's Introduction to Special Issue of Computing Surveys on Programming Language Paradigms. 253-258
• Henri E. Bal, Jennifer G. Steiner, Andrew S. Tanenbaum: Programming Languages for Distributed Computing Systems. 261-322
• Nicholas Carriero, David Gelernter: How to Write Parallel Programs: A Guide to the Perplexed. 323-357
• Paul Hudak: Conception, Evolution, and Application of Functional Programming Languages. 359-411
• Ehud Y. Shapiro: The Family of Concurrent Logic Programming Languages. 413-510 , corrigendum: ACM Computing Surveys 21(4): 629 (1989)

Volume 21, Number 4, December 1989

• Nabil R. Adam, John C. Wortmann:
  Security-Control Methods for Statistical Databases: A Comparative Study. 515-556
  
• Timothy C. Bell, Ian H. Witten, John G. Cleary: Modeling for Text Compression. 557-591
• Charles E. McDowell, David P. Helmbold: Debugging Concurrent Programs. 593-622
• "The Family of Concurrent Logic Programming Languages". 629 , see: ACM Computing Surveys 21(3): 413-510 (1989)