TY  - BOOK
AU  - Campbell, Robert S.
TI  - Range resources of the southeastern United States
T2  - ASA. Special publication
PY  - 1973///
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Pastizales
KW  - Ecología
KW  - E.U.A
ER  -