TY  - BOOK
AU  - Bourne, D. D., and Bourne, J. R.
AU  - Bourne, J. R. ; jt. auth.
TI  - Thirty years of change in Puerto-Rico; a case study of ten selected rural areas
U1  - 307.72097295 
PY  - 1966///
CY  - New York
PB  - Praeger
ER  -