K. Piikki

Three-dimensional digital soil mapping of agricultural fields by integration of multiple proximal sensor data obtained from different sensing methods

M. Söderström, B. Stenberg, K. Piikki, 2014, Precision Agriculture.

Evaluating the relationship between leaf chlorophyll concentration and SPAD-502 chlorophyll meter readings

H. Pleijel, J. Uddling, J. Gelang-Alfredsson, 2007, Photosynthesis Research.