ACM Computing Surveys, Volume 22
Volume 22, Number 1, March 1990

Russell J. Abbott: Resourceful Systems for Fault Tolerance, Reliability, and Safety. 35-68
Volume 22, Number 2, June 1990
Raif O. Onvural: Survey of Closed Queueing Networks with Blocking. 83-121
Krzysztof Pawlikowski: Steady-State Simulation of Queuing Processes: A Survey of Problems and Solutions. 123-170
Surveyors' Forum: Comments on "Applications of Combinatorial Designs in Computer Science". 171
Volume 22, Number 3, September 1990
Ahmed K. Elmagarmid, Calton Pu: Guest Editors' Introduction to the Special Issue on Heterogeneous Databases. 175-178
Amit P. Sheth, James A. Larson: Federated Database Systems for Managing Distributed, Heterogeneous, and Autonomous Databases. 183-236
Gomer Thomas, Glenn R. Thompson, Chin-Wan Chung, Edward Barkmeyer, Fred Carter, Marjorie Templeton, Stephen Fox, Berl Hartman: Heterogeneous Distributed Database Systems for Production Use. 237-266
Witold Litwin, Leo Mark, Nick Roussopoulos: Interoperability of Multiple Autonomous Databases. 267-293
Volume 22, Number 4, December 1990
Fred B. Schneider: Implementing Fault-Tolerant Services Using the State Machine Approach: A Tutorial. 299-319
Randy H. Katz: Towards a Unified Framework for Version Modeling in Engineering Databases. 375-408
"Steady-State Simulation of Queuing Processes: A Survey of Problems and Solutions". 409



