TY  - BOOK
AU  - BREYMEYER,  A I
AU  - VANDYNG, G M
TI  - Grasslands systems analysis and man
T2  - International biological programme; 19
U1  - 581.5 
PY  - 1980///
CY  - London
PB  - Cambridge University
KW  - Grassland ecology
ER  -