@article{article763c7514, title = {Organic constituents on the surfaces of aerosol particles from southern Finland, Amazonia, and California studied by vibrational sum frequency generation}, author = {Ebben, Carlena J. and Shrestha, Mona and Martinez, Imee S. and Corrigan, Ashley L. and Frossard, Amanda A. and Song, Wei W. and Worton, David R. and Petäjä, Tuukka and Williams, Jonathan and Russel, Lynn M. and Kulmala, Markku and Goldstein, Allen H. and Artaxo Netto, Paulo Eduardo and Martin, Scot T. and Thomson, Regan J. and Geiger, Franz M.}, year = {2012}, doi = {10.1021/jp302631z}, journal = {The Journal of Physical Chemistry A} }