00744nam a2200145 a 450000100080000000500110000800800410001910000250006024501470008526002970023265300110052970000160054070000220055670000200057818763652013-07-03       2010    bl uuuu     u00u1 u    #d1 aGONZÁLEZ-PÉREZ, M.  aPyrolysis-gas chromatography/mass spectrometry characterization of humic acids in spodosols under tropical rain forest in southeastern Brazil.  aIn: MEETING OF THE INTERNATIONAL HUMIC SUBSTANCES SOCIETY, 15., 2010, Puerto de la Cruz, ES. Advances in natural organic matter and humic substances research 2008-2010: proceedings. [S. l.: s. n.], 2010. v. 2. p. 329-332. J. A. González-Pérez, F. J. González-Vila, G. Almendros, Eds.c2010  aEvento1 aBUURMAN, P.1 aVIDAL-TORRADO, P.1 aMARTIN NETO, L.