Origin and Biodegradation of Crude Oils from the Northernmost Fields in the Bolivar Coastal Complex (Zulia State, Venezuela). - Escobar, Marcos; Márquez, Gonzalo; Guerrero, Blanca; Marín, Patricia; Boente, Carlos; Bernardo-Sánchez, Antonio; Romero, Emilio; Permanyer, Albert (Energies (19961073), 2020)