Interferences reduction in ECG signals applying IIR digital filters af Tibamoso-Pedraza, Gerardo

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Justification for a regulatory proposal for sound broadcasting and transmobile services in Colombian borders af Duarte-Pinilla, Natalia Andrea, Paz-Penagos, Hernán

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Herbicide selection for weed control in cassava (Manihot esculenta Crantz) in Bolivar, Colombia af Luna-Castellanos, Lily Lorena, Espinosa-Carvajal, Manuel Ramón, De-La-Ossa-Albis, Víctor Alfonso, Panza-Tapia, Blas Dagor, Garcia-Peña, Joaquin Alfonso

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