TY  - BOOK
ED  - Geological Survey (U.S.)  
TI  - Water resources in Puerto Rico: a review
PY  - 1981///-
CY  - San Juan, P.R.
PB  - U.S. Geological Survey, Water Resources Division
KW  - Water resources development
KW  - Puerto Rico
KW  - Local
N1  - Caption title
ER  -