• Alboom, G. van (2018): Setting up a system of standard procedures for geotechnical investigations in Belgium, with focus on CPT. Geotechniek 2018, Special CPT, p14
  • Lange, D.A. de, Terwindt, J., Linden, T.I. van der (2018): Cone Penetration Testing in layered soils. Geotechniek 2018, Special CPT, p5
  • Spruit, R., Bommel, W. van (2018): Pinpointing tie-back anchors using magnetic CPT investigation. Geotechniek 2018, Special CPT, p10
  • A.P. van den Berg: 50 years in the forefront of innovated CPT technology. Geotechniek 2018, Special CPT, p20.