TY  - BOOK
AU  - Williams, R.D.
TI  - Crop protection handbook: grass and clover swards
SN  - 0901436704
U1  - 633.208995 21st ed.
PY  - 1984///
CY  - England
PB  - BCPC Publications
KW  - Grasses-Diseases and pests
KW  - Pesticides
KW  - crop protection
ER  -