1.- MADRID: MOPU, SECR. GEN. MEDIO AMBIENT., 1990 Ver registro 2.- (super 13) C NMR and FTIR spectroscopy characterization of humic acids in Spodosols under tropical rain forest in southeastern Brazil Elsevier; Amsterdam; NLD; Netherlands, 2008 Ver registro 3.- 8000 yr of black carbon accumulation in a colluvial soil from NW Spain Elsevier; New York, NY; USA; United States, 2008 Ver registro 4.- A DEPOCENTER OF ORGANIC MATTER AT 7800 M DEPTH IN THE SE PACIFIC OCEAN PERGAMON; OXFORD; III; INTERNATIONAL, 2003 Ver registro 5.- A DYNAMIC MODEL OF MICROBIAL DIAGENETIC TRANSFORMATIONS OF A GLOBAL BIOSPHERE ALICANTE: UNIV. ALICANTE, 1998 15TH. INTERNATIONAL SEDIMENTOLOGICAL CONGRESS. ABSTRACTS Ver registro 6.- A FUNCTION OF CYANOBACTERIAL MATS IN PHOSPHORUS-LIMITED TROPICAL WETLANDS KLUWER ACADEMIC PUBLISHERS; DORDRECHT; NLD; NETHERLANDS, 2000 Ver registro 7.- A HOLOCENE RECORD OF NEOTROPICAL SAVANNA DYNAMICS FROM EL SALVADOR KLUWER ACADEMIC; DORDRECHT; NLD; NETHERLANDS, 2004 Ver registro 8.- A NUMERICAL STUDY OF THE SEASONAL VARIABILITY IN THE CIRCULATION OFF CENTRAL CHILE AMERICAN GEOPHYSICAL UNION; WASHINGTON, DC; USA; UNITED STATES, 2001 Ver registro 9.- A SPATIAL ANALYSIS OF EMERGY OF AN INTERNATIONALLY SHARED DRAINAGE BASIN AND THE IMPLICATIONS FOR POLICY DECISIONS 1999 Ver registro 10.- ABILITY OF DIFFERENT PLANT SPECIES TO PROMOTE MICROBIOLOGICAL PROCESSES IN SEMIARID SOIL ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2005 Ver registro