| Article ID: | iaor19932025 |
| Country: | United Kingdom |
| Volume: | 43 |
| Issue: | 8 |
| Start Page Number: | 787 |
| End Page Number: | 795 |
| Publication Date: | Aug 1992 |
| Journal: | Journal of the Operational Research Society |
| Authors: | Barnard G.A. |
After some reminiscences, more recent improvements in the calculation of