Global ecology in human perspective /Author: Southwick, Charles H.
Publisher: New York : Oxford University Press,
Date: 1996. This title can be found in 14 Iowa libraries.
World population; an analysis of vital dataAuthor: Keyfitz, Nathan,
Publisher: Chicago, University of Chicago Press
Date: [1968] This title can be found in 6 Iowa libraries.
World population and production: trends and outlookAuthor: Woytinsky, Wladimir S.,
Publisher: New York, Twentieth Century Fund,
Date: 1953. This title can be found in 10 Iowa libraries.
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