TY  - BOOK
AU  - Humphrey,Robert R.
TI  - Arizona range grasses: their description, forage value and management 
SN  - 9780816502547
AV  - SB197 .H8 1970
PY  - 1970///]
CY  - Tucson
PB  - University of Arizona Press
KW  - Range management-Arizona
KW  - Grasses-Arizona
KW  - Mantenimiento de praderas-Arizona
KW  - Pastos-Arizona
N1  - Bibliografía: p. 153-155
ER  -