=LDR 22 4500 =001 4498 =082 04$a304.6 ZEL =100 1\$aZelinsky, Wilbur =245 10$aA Prologue to population geography =260 \\$aUpper Saddle River, N.J. :$bPrentice Hall,$c1970 =650 \0$aBooks =852 \\$bFreeman Library$h304.6 ZEL