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1.- High-sensitivity measurement of diverse vascular plant-derived biomarkers in high-altitude ice cores
American Geophysical Union; Washington, DC; USA; United States, 2009
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2.- THE EFFECT OF GRAIN SIZE AND SURFACE AREA ON ORGANIC MATTER, LIGNIN AND CARBOHYDRATE CONCENTRATION, AND MOLECULAR COMPOSITIONS IN PERU MARGIN SEDIMENTS
PERGAMON; OXFORD; III; INTERNATIONAL, 1997
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