- The hunt for infrasound; infrasound detections can be used to locate infrasound sources, such as volcanoes, supersonic jet fighters and (nuclear) explosions
- Energy efficient transport systems for the Port of Amsterdam (Energiezuinige transportsystemen voor de Haven van Amsterdam) (summary)
- Energy efficient transport systems for the Port of Amsterdam (Energiezuinige transportsystemen voor de Haven van Amsterdam) (summary)
- Energy efficient transport systems for the Port of Amsterdam (Energiezuinige transportsystemen voor de Haven van Amsterdam)