References
- Renfrew, Colin (1977) ‘Space, Time and Polity’. In The Evolution of Social Systems, edited by Jonathan Friedman and Michael J. Rowlands, 89–112. London: Duckworth.
- Woods, William I., and William M. Denevan (2008) ‘Amazonian Dark Earths: The First Century of Reports’. In Amazonian Dark Earths: Wim Sombroek’s Vision, edited by William I. Woods, W. G. Teixeira, J. Lehmann, C. Steiner, A. WinklerPrins, and L. Rebellato, 1–14. Dordrecht: Springer.