TY  - BOOK
TI  - Grassland of the United States: Their economic and ecologic importance; a symposium of the American Forage and Grassland Council
SN  - 0-8138-0745-X
U1  - 333.74'09'73 
PY  - 1974///
CY  - AMESIOWAU.S.A.
PB  - The Iowa State University Press.
KW  - Pastoreo
KW  - tierras de
KW  - E.U.A
KW  - Agostaderos
N1  - FACULTAD DE ZOOTECNIA
ER  -