OPAS: An office procedure automation system
Vincent Y. Lum, David M. Choy, N. C. Shu · IBM Systems Journal · 1982
Progress in office automation has been stimulated by the desire to increase productivity and by advances in technology. Although office automation is still in an early stageo f development, some commercial products have become available, and many users have had some experience with them. However, today's products are mainly tools for office mechanization and not systems for automation. Such is the case for electronic mail, word processors, and calendar management.