Schiller, G., Blum, A. and Behnisch, M. (2012) “Resource Efficiency of Settlement Structures: Terms, Conceptual Implications and Connecting Factors to the Resilience Debate”, Raumforschung und Raumordnung | Spatial Research and Planning, 70(4), pp. 377–386. doi:10.1007/s13147-012-0168-9.