1. AQEG–Air Quality Expert Group (2005). Report on particulate matter in the United Kingdom. Department for Environment, Food and Rural Affairs, the Scottish Executive, The National Assembly for Wales, and the Department of the Environment for Northern Ireland, p 449 ( http://www.defra.gov.uk/environment/quality/air/airquality/publications/particulate-matter/ )
2. Artaxo, P., & Orsini, C. (1987). Pixe and receptor models applied to remote aerosol source apportionment in Brazil. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 22, 259–263.
3. Artaxo, P., Storms, H., Bruynseels, F., Van Grieken, R., & Maenhaut, W. (1988). Composition and sources of aerosols from the Amazon basin. Journal of Geophysical Research, 93, 1605–1615.
4. Artaxo, P., Maenhaut, W., Storms, H., & Grieken, A. V. (1990). Aerosol characteristics and sources for the Amazon basin during the wet season. Journal of Geophysical Research, 95, 16971–16985.
5. Artaxo, P., Yamasoe, M., Martins, J. V., Kocinas, S., Carvalho, S., & Maenhaut, W. (1993). Case study of atmospheric measurements in Brazil: Aerosol emissions from Amazon basin biomass burning. In P. J. Crutzen & J. G. Goldammer (Eds.), Fire in the Environment: The ecological, atmospheric, and climatic importance of vegetation fires (pp. 139–158). Chichester: Wiley.