| Modelling of the off-gas exit temperature and slag foam depth of an Electric Arc Furnace DJ Oosthuizen, JH Viljoen, IK Craig, PC Pistorius ISIJ international 41 (4), 399-401, 2001 | 31 | 2001 |
| Fischer-tropsch synthesis RN Walsh, JL Gauché, HW Joubert, AM Van Wyk, JH Viljoen, MJ Krause US Patent App. 10/190,057, 2019 | 26* | 2019 |
| Dynamic modelling of induced draft cooling towers with parallel heat exchangers, pumps and cooling water network JH Viljoen, CJ Muller, IK Craig Journal of Process Control 68, 34-51, 2018 | 20 | 2018 |
| Hybrid nonlinear model predictive control of a cooling water network JH Viljoen, CJ Muller, IK Craig Control Engineering Practice 97, 2020 | 13 | 2020 |
| Fischer-tropsch synthesis RN Walsh, JL Gauché, HW Joubert, AM Van Wyk, JH Viljoen, MJ Krause US Patent App. 15/524,859, 2019 | 1 | 2019 |
| Fischer-tropsch synthesis RN Walsh, JL Gauché, HW Joubert, AM Van Wyk, JH Viljoen, MJ Krause US Patent App. 15/524,859, 2017 | 1 | 2017 |
| Environmental Footprint of GTL Fuel Usage JH Viljoen, G Von Berg International Petroleum Technology Conference, 2015 | 1 | 2015 |
| Modelling and optimal control of the market of a telecommunications operator JH Viljoen University of Pretoria, 2004 | | 2004 |
| M. Eng. Thesis, Department of Electrical and Electronics Engineering, University of Pretoria M. Eng. Thesis, Department of Electrical and Electronics Engineering, University of … DJ OOSTHUIZEN, JH VILJOEN, IK CRAIG, PC PISTORIUS ISIJ international 41 (4), 399-401, 2001 | | 2001 |
| The Making, Shaping and Treating of Steels The Making, Shaping and Treating of Steels 102, 1998 DJ OOSTHUIZEN, JH VILJOEN, IK CRAIG, PC PISTORIUS ISIJ international 41 (4), 399-401, 2001 | | 2001 |
| Steelmaking and Refining Volume Steelmaking and Refining Volume 6043, 1998 DJ OOSTHUIZEN, JH VILJOEN, IK CRAIG, PC PISTORIUS ISIJ international 41 (4), 399-401, 2001 | | 2001 |
| MODELLING AND OPTIMAL CONTROL OF A TELECOMMUNICATIONS MARKET OPERATOR JH Viljoen, IK Craig | | |
