| African
        Journals Online | 
| Pressure drop over fluidised bed distributor caps | |
| Heydenrych, M.Manzini, C.Manzini, D. | 1 | 
| What is classical control and when is it better than artificial intelligence? | |
| Vaal, P.L. | 10 | 
| What is AI and is it better than classical process control? | |
| Aldrich, C. | 27 |