@misc{miscee132900,
title   = {Development of a fractionation scheme for characterization of polar particulate organic compounds present in ambient air},
author = {Carvalho, Lilian Rothschild Franco de and Gundel, L and Daisey, J M},
year = {1990},
booktitle   = {Reuniao Anual da Sociedade Brasileira de Quimica}
}