Impedance Spectroscopy for Determination of Total Dissolved Solids in Aqueous Solutions of Sodium Chloride and Magnesium Sulphate. - Dirk Johannes De Beer; Trudi-Heleen Joubert (IEEE SENSORS, 2019)

Validation of Low-Cost Impedance Analyzer via Nitrate Detection. - Dirk Johannes De Beer; Trudi-Heleen Joubert (Sensors, 2021)

Evolutionary optimisation of large-scale activity clustering with increased automation. - Dirk Johannes De Beer; Johan W. Joubert (Comput. Oper. Res., 2022)

Non-Destructive Impedance Monitoring of Bacterial Metabolic Activity towards Continuous Lead Biorecovery. - George Andrews; Olga Neveling; Dirk Johannes De Beer; Evans M. N. Chirwa; Hendrik G. Brink; Trudi-Heleen Joubert (Sensors, 2022)

Logistic facility identification from spatial time series data. - Dirk Johannes De Beer; Johan W. Joubert (Comput. Environ. Urban Syst., 2024)