TY  - BOOK
AU  - Martin, Hubert.
TI  - The scientific principles of crop protection
U1  - 632.9 M3 
PY  - 1983///
CY  - London
PB  - Edward Arnold
KW  -  Hubert Martin and David Woodcock.
KW  - Woodcock, David.
KW  - Plant Protection,Pest control
ER  -