TY  - BOOK
AU  - Martin, Hubert.
TI  - Scientific Principles of Crop Protection / 
SN  - 0-7131-3467-4
U1  - J3:4:6 
PY  - 1982///
CY  - London : 
PB  - Edward Arnold (Publishers) Ltd. , 
KW  - Agriculture <Crop Protection>
ER  -