References
Lindholm, K. J. 2006. Wells of Experience. A pastoral land-use history of Omaheke, Namibi, Uppsala
Parnell, J. J, Terry, R. E. and Nelson, Z. 2002. Soil Chemical Analysis Applied as an Interpretive Tool for Ancient Human Activities Piedras Negras, Guatemala, Journal of Archaeological Science 29, 379–404
Persson, K. 2005. Integrated Geophysical-Geochemical Methods for Archaeological Prospecting, Stockholm
Rypkemaa, H. A., Lee, W. E., Galaty, M. L. and Haws, J., 2007. Rapid, in-stride soil phosphate measurement in archaeological survey: a new method tested in Loudoun County, Virginia, Journal of Archaeological Science 34, 1859-1867
Google Scholar