TY  - BOOK
AU  - Burgos,Norma
AU  - Torres Aguire,Lillian
AU  - Olmeda,Luz H.
ED  - Puerto Rico.
ED  - Puerto Rico.
TI  - Geografía censal de Puerto Rico: 1990 
PY  - 1990///
CY  - San Juan, P. R.
PB  - La Junta
KW  - Housing
KW  - Puerto Rico
KW  - Local
KW  - Census districts
KW  - Population geography
KW  - Metropolitan areas
KW  - Census
KW  - 1980
KW  - Population
ER  -