TY  - BOOK
AU  - THURSTON DAVID H.
TI  - SLASH/MULCH SYSTEMS SUSTAINABLE METHODS FOR TROPICAL AGRICULTURE
SN  - 1-85339-340-1
AV  - 631.5814/BAK 1
U1  - 631.5814/BAK 
PY  - 1997///
CY  - GERAT  BRITAN
PB  - WESTVEW
ER  -