TY  - BOOK
AU  - Humphrey,Robert R.
TI  - Arizona range grasses: their description, forage value and management
U1  - 584.9'09'791 
PY  - 1970///
CY  - TucsonArizona
PB  - University of Arizona Press
KW  - Pastos
KW  - Arizona
KW  - Gramíneas
KW  - valor forrajero
N1  - FACULTAD DE ZOOTECNIA
ER  -