Pierret, A.; Moran, C. J.; Mclachlan, C. B.; Kirby, J. M. MEASUREMENT OF ROOT LENGTH DENSITY IN INTACT SAMPLES USING X-RADIOGRAPHY AND IMAGE ANALYSIS. Image Anal Stereol 2011, 19 (2), 145-149. https://doi.org/10.5566/ias.v19.p145-149.