TY  - BOOK
AU  - HILL, Reuben
AU  - STYCOS, J. MAYONE
AU  - BACK, Kurt .W
TI  - The family and population control: A puerto rican Experiment in social chaange 
U1  - 301.426 HIL 
PY  - 1959///
CY  - New haven
PB  - The University of North Carolina press
N1  - include bibliographical references and index
ER  -