@incollection{Steen12,
author = {Steffie Van der Steen and Henderien Steenbeek and Paul Van Geert},
title = {Using the Dynamics of a Person-Context System to Describe Children’s Understanding of Air Pressure},
booktitle = {Current Topics in Children's Learning and Cognition},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Heidi Kloos and Bradley J. Morris and Joseph L. Amaral},
chapter = {2},
doi = {10.5772/53935},
url = {https://doi.org/10.5772/53935}
}