Pena-Yewtukhiw, E.M., G.J. Schwab, O. Wendroth, L.W. Murdock, and T. Stombaugh. 2005. Change in spatial variability structure of NDVI readings related to observation scale.
pp. 353-359. IN: J.V. Stafford, ed. Precision Agriculture ‘05. Proceedings, 5th European Conference on Precision Agriculture, Uppsala.
Authors: Greg Schwab