=LDR 22 4500 =001 2712 =082 04$a304.2 SAC =100 1\$aSack, Robert David =245 10$aHuman territoriality =260 \\$aLondon :$bCambridge University Press,$c1986 =650 \0$aBooks =852 \\$bFreeman Library$h304.2 SAC