TY  - BOOK
AU  - Breymeyer, A I
AU  - Dyne, G M van
TI  - Grasslands, systems analysis and man
SN  - 0521218721
U1  - 577.4 BRE 
PY  - 1980///
CY  - London 
PB  - Cambridge university
KW  - Grassland Ecology
ER  -