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1 Author(s)

The papers in this issue describe four separate topics: a relational data-base system, the interactive modeling of computer systems, a method of monitoring service levels provided by a computer center, and a technique for using microcode to execute APL statements on a System/370 computer.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:15 ,  Issue: 4 )