W. R. de Azevedo, V. Faquin, and L. A. Fernandes, “Boron adsorption in lowland soils from southern of the State of Minas Gerais, Brazil”, PAB, vol. 36, no. 7, pp. 957–964, Jul. 2001, doi: 10.1590/S1678-3921.pab2001.v36.6218.