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- [22] Trace elements in natural organic-rich surface soils: Contributions from natural and anthropogenic sources Chinese Journal of Geochemistry, 2006, 25 (Suppl 1): : 5 - 5
- [26] Emissions of nitrogen oxides from anthropogenic sources: Impact on the atmosphere and the climate. Their history and a forecast until 2100 Thermal Engineering, 1999, 46 (12): : 1051 - 1056
- [28] Natural and anthropogenic sources of lead, zinc, and nickel in sediments of Lake Izabal, Guatemala JOURNAL OF ENVIRONMENTAL SCIENCES, 2020, 96 : 117 - 126