Popova, Tzvetana. Plant environment of man between 6000 and 2000 B.C. in Bulgaria / Tzvetana Popova. - Oxford : John and Erica Hedges Ltd., 2010. - vi, 108 p. : ill. ; 30 cm. - BAR international series ; 2064. . - BAR international series ; 2064. . Includes bibliographical references (p. 97-107) ISBN: 9781407304700 Subjects--Topical Terms: Agriculture, Prehistoric--Bulgaria.Bronze age--Bulgaria.Neolithic period--Bulgaria.Paleobotany--Bulgaria.Plant remains (Archaeology)--Bulgaria.Excavations (Archaeology)--Bulgaria. Subjects--Geographic Terms: Bulgaria--Antiquities. LC Class. No.: GN845.B8 / P67 2010