[1]
A. M. M. Pires, M. E. Mattiazzo, and R. S. Berton, “Organic acids as extractors of phytoavailable heavy metals in soils treated with sewage sludge”, PAB, vol. 39, no. 7, pp. 671–676, Jul. 2004, doi: 10.1590/S1678-3921.pab2004.v39.6824.