@article{articledc43978e,
title   = {Amperometric detection of nitrite and nitrate at tetraruthenated porphyrin-modified electrodes in a continuous-flow assembly},
author = {Rocha, José Roberto Caetano da and Angnes, Lúcio and Bertotti, Mauro and Araki, Koiti and Toma, Henrique Eisi},
year = {2002},
doi = {10.1016/s0003-2670(01)01440-4},
journal   = {Analytica Chimica Acta}
}