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APA ZitierstilSchortman, E. M. (1993). Archaeological investigations in the Lower Motagua Valley, Izabal, Guatemala: A study in monumental site function and interaction. Philadelphia, Pa.: University Museum, University of Pennsylvania.
Chicago ZitierstilSchortman, Edward M. Archaeological Investigations in the Lower Motagua Valley, Izabal, Guatemala: A Study in Monumental Site Function and Interaction. Philadelphia, Pa.: University Museum, University of Pennsylvania, 1993.
MLA ZitierstilSchortman, Edward M. Archaeological Investigations in the Lower Motagua Valley, Izabal, Guatemala: A Study in Monumental Site Function and Interaction. Philadelphia, Pa.: University Museum, University of Pennsylvania, 1993.