TY  - RPRT
TI  - Heavy metal sequential extraction methods--a modification for tropical soils.
AU  - M L Silveira
AU  - L R F Alleoni
AU  - G A O'Connor
AU  - A C Chang
PY  - 2006
DO  - 10.1016/j.chemosphere.2006.01.018
UR  - https://pubmed.ncbi.nlm.nih.gov/16487572/
ID  - 16487572
ER  -