@article{article8864a073,
title   = {Chemical and spectroscopic characteristics of humic acids in marshes from the Iberian Peninsula},
author = {Ferreira, Fernando Perobelli and Vidal Torrado, Pablo and Otero, Xosé Luís and Buurman, Peter and Martin Neto, Ladislau and Boluda, Rafael and Macías, Felipe},
year = {2013},
doi = {10.1007/s11368-012-0607-9},
journal   = {Journal of Soils and Sediments}
}