@article{articlef13999ea,
title   = {Application of gamma-ray computed tomography to evaluate the radius of influence of soil solution extractors and tensiometers},
author = {Pires, L F and Arthur, R C J and Bacchi, Osny Oliveira Santos and Reichardt, Klaus},
year = {2007},
doi = {10.1016/j.nimb.2007.03.071},
journal   = {Nuclear Instruments & Methods in Physics Research B}
}