| Article ID: | iaor19931321 |
| Country: | Brazil |
| Volume: | 1 |
| Issue: | 1 |
| Start Page Number: | 43 |
| End Page Number: | 54 |
| Publication Date: | Aug 1988 |
| Journal: | Investigacin Operativa |
| Authors: | Kadi Daoud Ait, Clroux Robert |
There still exists a gap between the theory of preventive replacements and applications to practical situations. This gap results in part from the fact that replacement strategies are too simple to deal with real world problems. However progress has been made in recent years and this paper summarizes some of the contributions in this direction.