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Macauley, E., & Hong, A. (1995).
Chelation extraction of lead from soil using pyridine-2,6-dicarboxylic acid. Journal of Hazardous Materials, 40(3), 257–270.
doi:10.1016/0304-3894(94)00087-w
10.1016/0304-3894(94)00087-W
