TY  - BOOK
AU  - Black, Peter E.,
TI  - Watershed hydrology
T2  - Prentice hall advanced reference series. physical and life sciences
SN  - 013946591x
AV  - GB980 B53
PY  - 1991///
CY  - Englewood cliffs, new jersy
PB  - Prentice Hall
KW  - Cuencas hidrográficas
ER  -