=LDR 22 4500 =001 4416 =082 04$a930.1094 CLA =100 1\$aClark, J. G. D. =245 10$aPrehistoric Europe: the economic basis =260 \\$aLondon :$bMethuen,$c1952 =650 \0$aBooks =852 \\$bFreeman Library$h930.1094 CLA