Phenol - isolation & purification, Reference Standards, Electricity, Oxidation-Reduction, Mass Spectrometry, Oxygen - isolation & purification, Water - chemistry, Carbon - analysis, Carbon Monoxide - analysis, Waste Disposal, Fluid, Water Purification - methods, Atmospheric Pressure
Science, Botany, Zoology, Cuaternario, Biology (General), QH301-705.5, QL1-991, QK1-989, Amazonas colombiano, terrazas, Geología del Cuaternario, lagos amazónicos