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https://doi.org/10.1007/978-0-387-09688-9_2 (Any fulltext)
Oberwittler, D., & Wikström, P.-O. (2009). Why small is better: Advancing the study of the role of behavioral contexts in crime causation. In D. Weisburd, W. Bernasco, & G. Bruinsma (Eds.), Putting crime in its place: Units of analysis in geographic criminology (pp. 33-58). New York: Springer.