=LDR 22 4500 =001 1556 =082 04$a910 .01 =100 1\$aBowen, Margarita =245 10$aEmpiricism and geographical thought =260 \\$aLondon :$bCambridge University Press,$c1981 =650 \0$aBooks =852 \\$bFreeman Library$h910 .01