One important aspect to be noticed is the extension and application of the concept of balanced automation to all areas of the manufacturing enterprise. Clearly, the need for a "balanced" approach is not restricted to the shop floor components, rather it applies to all other areas, as illustrated by the wide spectrum of research contributions found in this book. For instance, the need for an appropriate integration of multiple systems and their perspectives is particularly important for the implantation of virtual enterprises. Although both the BASYS'95 and the BASYS'96 conferences have provided important contributions, approaches, and tools for the implantation of balanced automation systems, there are a number of areas that require further research: .