TY  - BOOK
AU  - 
ED  - Autoridad de Acueductos y Alcantarillados de Puerto Rico.
ED  - Geological Survey (U.S.)  
TI  - Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, Central Puerto Rico
T2  - Water resources investigations report
PY  - 1997///
CY  - San Juan, P.R., Denver, CO
PB  - U.S. Geological Survey, Branch of Information Services [distributor]
KW  - Water
KW  - Phosphorus content
KW  - Puerto Rico
KW  - Cidra
KW  - Local
KW  - Eutrophication
KW  - Nitrogen content
N1  - Includes bibliographical references (p. 28)
ER  -