The third child a study in the prediction of fertility - Westoff, Charles F.; Potter, Robert G.; Sagi, Philip C.; Princeton University. Office of Population Research; National Analysts, Inc. (Princeton, N. J. Princeton University Press, 1963)
A study and analysis of the results of a survey conducted in 1960 by National Analysts, Inc., Philadelphia, prepared by members of the Office of Population Research of Princeton University.
Keywords: Fertility, Human; Family size