TY  - BOOK
AU  - EBBELS,David.
AU  - EBBELS,David
TI  - Principles of plant health and quarantine: 1.plant quarantine.2 Plant health  3.Plant inspection
SN  - 0851996809
AV  - 632.93 
U1  - 632.93 
PY  - 2003///
CY  - UK
PB  - CAB
KW  - plant health
N1  - Includes Reference,glossary and index
ER  -