{"id":"001532503","type":"article","title":"Pollen analysis from Early and Middle Holocene archaeological sites in the Blue Nile area, Central Sudan","publisher":"Universidad Complutense, Serv. de Publ.","publisher-place":"Madrid","pages":"397-400","container-title":"Complutum (Madrid), 14.2003","author":[{"family":"López Sáez","given":"José Antonio."}],"issued":{"raw":"2003"}}