TY  - BOOK
AU  - B S I
AU  - 
TI  - UDC 63/632 Agriculture in general forestry
 Plant injuries, diseases and pests plant protection BS 1000(63/632): 1981
U1  - 025.43 UDC/BSI/6 
PY  - 1981///
CY  - London
PB  - B S I
ER  -