Description
Item Description:"September 1977."
"An analytic study of recent and long-term fertility trends in terms of period and cohort measures with emphasis on changes occurring during the period 1970-73. Discusses variations in fertility of major population groups by color and place of residence."
Physical Description:1 online resource (iv, 41 pages) : illustrations, one map.
Bibliography:Includes bibliographical references (pages 23-24).