TY  - BOOK
AU  - Hill Reuben
TI  - Family and population control:  A Puerto Rican expe   
U1  - Y:5231.7924.N6, J9 
PY  - 1959///
CY  - Chapel
PB  - Hill University of North Carolina Press     
KW  - Fertility
N1  - Bibliography: p 468-73; Appendix: p 391-73
ER  -