TY  - BOOK
TI  - Tropical grazing land ecosystems: : A state-of-knowledge report 
T2  - Natural resources research 
SN  - 92-101611-3
PY  - 1979///
CY  - Paris: 
PB  - United Nations Education, Scientific and Cultural Organization, 
KW  - Agriculture
KW  - Human biology
KW  - Water resources
ER  -