Silveira, T. A. da, D. F. D. Araujo, L. C. Marchini, A. C. C. C. Moreti, and R. A. Olinda. “Detection of Metals by Differential Pulse Anodic Stripping Voltammetry (DPASV) in Pollen Collected from a Fragment of the Atlantic Forest in Piracicaba/SP”. Ecotoxicology and Environmental Contamination, vol. 8, no. 2, Nov. 2013, pp. 31-36, doi:10.5132/eec.2013.02.005.