Why GPS makes distances bigger than they are

por Ranacher, Peter, Brunauer, Richard, Trutschnig, Wolfgang, Van der Spek, Stefan, Reich, Siegfried
Publicado 2016

Sensing Human Activity: GPS Tracking

por van der Spek, Stefan, van Schaick, Jeroen, de Bois, Peter, de Haan, Remco
Publicado 2009

The impact of interventions in the built environment on physical activity levels: a systematic umbrella review

por Zhang, Yufang, Koene, Marijke, Reijneveld, Sijmen A., Tuinstra, Jolanda, Broekhuis, Manda, van der Spek, Stefan, Wagenaar, Cor
Publicado 2022