Smith et al. (2004)
Also: Smith et al. 2004
Historical Sulfur Dioxide Emissions 1850-2000: Methods and Results
Smith, S. J., Andres, R., Conception, E., & Lurz, J. (2004). Historical sulfur dioxide emissions 1850-2000: Methods and results (No. PNNL-14537). Pacific Northwest National Lab.(PNNL), Richland, WA (United States). Link to PDF
DOI: https://doi.org/10.2172/15020102
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.