TY  - BOOK
ED  - Southwest Rangeland Watershed Research Center. Tucson, Arizona.
ED  - E.U.A. Agricultural Research Service.
TI  - Bibliography
U1  - 631.7 
PY  - 1986///?]
CY  - Tucson, Arizona
PB  - The Center
KW  - Cuencas
KW  - Hidrología
KW  - Investigación
ER  -