TY  - BOOK
AU  - Stycos,J.Mayone
ED  - P.R. Universidad. Recinto de Río Piedras. Centro de Investigaciones Sociales.
TI  - Family and fertility in Puerto Rico: a study of the lower income group / J. Mayone Stycos
PY  - 1958///
CY  - New York
PB  - Columbia University Press
KW  - Fertlity
KW  - Local
KW  - Marriage
KW  - Puerto Rico
KW  - Statistics, Vital
N1  - At head of title : Social Sciences Research Center College of Social Sciences, University of Puerto Rico; "First volume of the final report of the Family Life Research Project undertaken by the Social Science Research Center."; Bibliography : p. [316]-322]
ER  -