=LDR 22 4500 =001 2102 =082 04$a304.6 ZEL =100 1\$aZelinsky, Wilbur =245 10$aGeography and a crowding world: a symposium on population pressures upon physical and social resources in the developing lands =260 \\$aAucklandAuckland :$bOxford University Press,$c1970 =650 \0$aBooks =700 1\$aProthero, R. Mansell =700 1\$aKosinski, Leszek A. =852 \\$bFreeman Library$h304.6 ZEL