@inbook{4a772e3876f4406da52cf625dcb8402a,
title = "Potential environmental determinants of physical activity in youth",
author = "I. Ferreira and \{van der Horst\}, K. and W. Wendel-Vos and S.P.J. Kremers and \{van Lenthe\}, F.J. and J. Brug",
year = "2005",
month = jan,
day = "1",
language = "English",
isbn = "90-810258-1-3",
pages = "323--76",
editor = "J Brug and \{Lenthe van\}, F",
booktitle = "Environmental determinants and interventions for physical activity, nutrition and smoking: A review",
publisher = "Speed Print",
}