Gregg, Susan Alling Foragers and farmers : population interaction and agricultural expansion in prehistoric Europe / Susan Alling Gregg - Chicago : University of Chicago, c1988. - xv, 27 p. ; ill., figs., tabs. ; 23 cm. - Prehistoric archeology and ecology . ISBN: 0226307360 LCCN: Subjects--Topical Terms: Neolithic periodEurope.Agriculture LC Class. No.: GN776.2 / .A1G73 1988