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2. Geophysical investigations at the ancient Royal site of Rathcroghan, County Roscommon, Ireland;Barton;Archaeological Prospection,2005
3. Carste de Lagoa Santa;Berbert-Born,2000
4. Geophysical exploration of Guajará, a prehistoric earth mound in Brazil;Bevan;Geoarchaeology,2003
5. Bacias proterozóicas brasileiras com perspectivas exploratórias para hidrocarbonetos;Braun,1990