@article{article7ac12b2a,
title   = {Nitrogen oxides measurements in an Amazon site and enhancements associated with a cold front},
author = {Cordova, A M and Longo, K and Freitas, S and Gatti, L V and Artaxo Netto, Paulo Eduardo and Procópio, A and Dias, M A F Silva and Freitas, E D},
year = {2004},
doi = {10.5194/acpd-4-2301-2004},
journal   = {Atmospheric Chemistry and Physics Discussions}
}