TY  - BOOK
AU  - Hill, Reuben Lorenzo
TI  - Family and population control: a Puerto Rican experiment in soci al change 
U1  - MISR 362.178097295 HIL 
PY  - 1959///
CY  - Chapel Hill
PB  - University of North Carolina Press
KW  - Family size
KW  - Puerto Rico
KW  - Family planning
KW  - Birth control
KW  - Population
N1  - Includes bibliographical references
ER  -