1.- (super 40) K, (super 137) Cs and (super 226) Ra soil and plant content in seminatural grasslands of central Argentina American Institute of Physics; New York, NY; USA; United States, 2008 The natural radiation environment; 8th international symposium (NRE VIII) Ver registro 2.- A 35 Myr higher plant n-alkane stable carbon and hydrogen isotope record from the Gulf of Mexico; implications to North American C (sub 4) grasslands and hydrologic cycle dynamics American Geophysical Union; Washington, DC; USA; United States, 2008 AGU 2008 fall meeting; ocean anoxia; climate, ecosystem, and sedimentary feedbacks through time; I, Posters Ver registro 3.- A LANDSCAPE APPROACH FOR DETECTING AND EVALUATING CHANGE IN A SEMI-ARID ENVIRONMENT KLUWER ACADEMIC PUBLISHERS; DORDRECHT; NLD; NETHERLANDS, 2000 MONITORING ECOLOGICAL CONDITION IN THE WESTERN UNITED STATES; PROCEEDINGS Ver registro 4.- A METHOD FOR QUANTIFYING RATES OF O (SUB 2) CONSUMPTION AND CO (SUB 2) PRODUCTION IN SOIL LIPPINCOTT, WILLIAMS & WILKINS COMPANY; BALTIMORE, MD; USA; UNITED STATES, 2001 Ver registro 5.- A mosaic of nonallophanic Andosols, Umbrisols and Cambisols on rhyodacite in the southern Brazilian highlands Elsevier; Amsterdam; NLD; Netherlands, 2008 Ver registro 6.- A NEW FOSSIL PHYLLOTINE (RODENTIA; MURIDAE) FROM NORTHWESTERN ARGENTINA AND RELATIONSHIPS OF THE REITHRODON GROUP AMERICAN SOCIETY OF MAMMALOGISTS; LAWRENCE, KS; USA; UNITED STATES, 2000 Ver registro 7.- A PRELIMINARY VIEW OF THE COEXISTENCE OF MAMMOTH AND EARLY PEOPLES IN MEXICO ELSEVIER; OXFORD; GBR; UNITED KINGDOM, 2006 3RD INTERNATIONAL MAMMOTH CONFERENCE, DAWSON, YUKON Ver registro 8.- A record of natural and human impact during the last 2500 years in Lake Zirahuen western-central Mexico American Quaternary Association; Seattle, WA; USA; United States, 2008 American Quaternary Association, program and abstracts of the 2008 biennial meeting Ver registro 9.- A simplified method for the quantification of pyrogenic organic matter in grassland soils via chemical oxidation Elsevier; Amsterdam; NLD; Netherlands, 2008 Ver registro 10.- A snapshot of environmental iodine and selenium in La Pampa and San Juan Provinces of Argentina Elsevier; Amsterdam-New York; III; International, 2010 Selenium and iodine anomalies in soils and health Ver registro