Resumen de Williams Brass (comp.). Biological Aspects of Demography, Symposia of the Society for the Study of Human Biology, vol. 10. Londres, Taylor and Francis Ltd., 1971. 167 p.
WILLIAM BRASS (comp.) Biological Aspects of Demografhy, Symposia of the Society for the Study of Human Biology, Vol. 10. Londres, Taylor y Francis Ltd., 1971.
