Kyle McDonald, Reiner Zimmermann, John S. Kimball. Diurnal and spatial variation of xylem dielectric constant in Norway Spruce (Picea abies [L.] Karst.) as related to microclimate, xylem sap flow, and xylem chemistry. IEEE T. Geoscience and Remote Sensing, 40(9):2063-2082, 2002. [doi]
Abstract is missing.